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【百年教育职业培训中心】电路原理-章节资料考试资料-东北大学 (2)

来源：百年教育职业培训中心　更新时间：2022-07-01 03:11:41

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答案：微信搜索【渝粤教育】公众号

测试题

1、【单选题】当电路中电流的参考方向与实际方向的相反时，则该电流（）。

A、一定为正值

B、一定为负值

C、不能确定正值还是负值

D、有时为正值，有时为负值

2、【单选题】图示电路元件的电流i =1A，电压u =-1V，那么元件的（）。 <img src="http://edu-image.nosdn.127.net/02C86C428B8326D006585673E648520B.png?imageView&thumbnail=890x0&quality=100" />

A、电流i 的实际方向从a流向b，电压u 的实际方向由a指向b

B、电流i 的实际方向从a流向b，电压u 的实际方向由b指向a

C、电流i 的实际方向从b流向a，电压u 的实际方向由a指向b

D、电流i 的实际方向从b流向a，电压u 的实际方向由b指向a

3、【多选题】下面4 个电路图中，若元件的电流i =1A，电压u =-1V，则电压与电流参考方向关联的电路图有（）。 <img width="503" height="175" style="width: 402px; height: 152px;" src="http://edu-image.nosdn.127.net/D6A828384A5233546789FB50D349FF24.png?imageView&thumbnail=890x0&quality=100" />

A、图A

B、图B

C、图C

D、图D

4、【多选题】在图示电路图中，若元件的电流i =2A，电压u =-3V，那么元件的功率为（）。 <img src="http://edu-image.nosdn.127.net/BC756E013AC69016698E96D28F34B575.png?imageView

A、吸收6W

B、发出6W

C、吸收-6W

D、发出-6W

测试题

1、【单选题】电源值为零，即电压源（），电流源（）。

A、开路，开路

B、开路，短路

C、短路，开路

D、短路，短路

2、【单选题】对于理想电压源，下面表述正确的是（）。

A、输出的电压恒定，输出的电流恒定。

B、输出的电压恒定，输出的电流不确定。

C、输出的电压不确定，输出的电流恒定。

D、输出的电压不确定，输出的电流不确定。

3、【单选题】<img src="http://edu-image.nosdn.127.net/D06D28120DE2CD5DB4EA560CADF48122.png?imageView

A、电压控制的电压源

B、电压控制的电流源

C、电流控制的电压源

D、电流控制的电流源

4、【多选题】对于图示电路，元件电压和电流关系表达正确的是（）。 <img src="http://edu-image.nosdn.127.net/AF6927FCA04BD52B18678A811CF28519.png?imageView&thumbnail=890x0&quality=100" />

A、<img src="http://edu-image.nosdn.127.net/B73B944A1F202D1B6C7D35C801B0FEE8.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/3D81728EE79B3DA87C14B3F6FB58B7E5.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/63E42B952CD34064421E6519B0E3868F.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/54284BCEDF90C099CBEBBB93EB788C97.png?imageView&thumbnail=890x0&quality=100" />

测试题

1、【单选题】<img src="http://edu-image.nosdn.127.net/78A4BCE8AFED7C09ACF65A935708EA4C.png?imageView&thumbnail=890x0&quality=100" />

A、6

B、7

C、8

D、9

2、【单选题】<img src="http://edu-image.nosdn.127.net/56E4DA610DCEB83D3115AC1464D60CA6.png?imageView

A、4

B、5

C、6

D、7

3、【单选题】<img src="http://edu-image.nosdn.127.net/C83BE62B17FE6F4EBA1E10E0F1F033CE.png?imageView&thumbnail=890x0&quality=100" />

A、1A

B、-1A

C、2A

D、3A

4、【单选题】<img src="http://edu-image.nosdn.127.net/D923D56180149EBF5C2621C7FE08E4A2.png?imageView&thumbnail=890x0&quality=100" />

A、1A

B、-1A

C、2A

D、3A

测试题

1、【单选题】<img src="http://edu-image.nosdn.127.net/FA794B267408E235A0386DD2D08F0D46.png?imageView&thumbnail=890x0&quality=100" />

A、4V

B、6V

C、7V

D、12V

2、【单选题】图示电路中，N是有源二端网络，a,b间电压为（）。 <img src="http://edu-image.nosdn.127.net/2AD55984F7416748413CDFE670979B75.png?imageView&thumbnail=890x0&quality=100" />

A、17V

B、23V

C、26V

D、29V

3、【单选题】<img src="http://edu-image.nosdn.127.net/99ED0CD46ACE714BE27E5BE6FC0ACA4E.png?imageView&thumbnail=890x0&quality=100" />

A、1V

B、8V

C、11V

D、2V

4、【单选题】<img src="http://edu-image.nosdn.127.net/07617A3AA27CC7A56CB268FCB5288032.png?imageView&thumbnail=890x0&quality=100" />

A、5Ω

B、10Ω

C、1.43Ω

D、2.5Ω

5、【单选题】<img src="http://edu-image.nosdn.127.net/7C33FCD822BF8ACC2F8B71FD6CE2DACC.png?imageView

A、吸收20W

B、吸收60W

C、发出20W

D、发出60W

第1章单元测试

1、【单选题】<img src="http://nos.netease.com/edu-image/cd661b3da6dc426e92cf3a49c4f6b09d.png" />

A、-1A

B、1A

C、2A

D、3A

2、【单选题】<img src="http://nos.netease.com/edu-image/09902a1a6cfb4034addcfb51b0e4291c.png" />

A、16W

B、24W

C、36W

D、28W

3、【单选题】<img src="http://nos.netease.com/edu-image/6d7599fa44b74bb09990bdde303f8ecb.png" />

A、24V

B、40V

C、48V

D、64V

测试题

1、【单选题】<img src="http://nos.netease.com/edu-image/2770dcce07284c8792a14b81898c39ef.png" />

A、1Ω

B、2Ω

C、3Ω

D、其他

2、【单选题】<img src="http://nos.netease.com/edu-image/ab753f97804c4c07b79409bf8bc13429.png" />

A、2Ω

B、1.5Ω

C、1Ω

D、3Ω

测试题

1、【单选题】<img src="http://nos.netease.com/edu-image/02061a9384a54de69b573d292a0f110a.png" />

A、1.5A

B、2.4A

C、3.2A

D、3.5A

2、【单选题】<img src="http://nos.netease.com/edu-image/934af4cd426c4cc693e0f72892aedfdc.png" />

A、0.2A

B、0.3A

C、-0.3A

D、-0.5A

测试题

1、【单选题】<img src="http://nos.netease.com/edu-image/610cd8fed384497fa3fb3a00e6665999.png" />

A、4A电流源，与2Ω电阻并联

B、15V电压源，与2Ω电阻串联

C、7A电流源，与2Ω电阻并联

D、3A电流源，与2Ω电阻并联

2、【单选题】<img src="http://nos.netease.com/edu-image/e650fed5fd0c4f959f0f2a8a69c4156e.png" />

A、2A电流源，与1.5Ω电阻并联

B、4V电压源，与1.5Ω电阻串联

C、4A电流源，与1.5Ω电阻并联

D、1V电压源，与1.5Ω电阻串联

3、【单选题】<img src="http://nos.netease.com/edu-image/d98157ca217c4aecabccd8b8908e942e.png" />

A、-0.6mA

B、-0.5mA

C、0.5mA

D、0.6mA

测试题

1、【单选题】<img src="http://nos.netease.com/edu-image/545eb19eaeeb417689e256540efd064b.png" />

A、16W

B、32W

C、40W

D、48W

2、【单选题】<img src="http://nos.netease.com/edu-image/d0572b4be44940c48a0ac834b8e9e95d.png" />

A、1A

B、2A

C、2.5A

D、1.5A

3、【单选题】对于有b个支路，n个节点的电路，在支路法中，根据KCL列写（）个方程。

A、b

B、n-1

C、b-n+1

D、n

测试题

1、【单选题】<img src="http://nos.netease.com/edu-image/7845aace6c67490493b7e653f5c8f7b5.png" />

A、0.8A

B、1.25A

C、1.4A

D、1.7A

测试题

1、【单选题】<img src="http://nos.netease.com/edu-image/1086bd44332f47038673cd3fe482c308.png" />

A、-1.2mA

B、-0.5mA

C、0.6mA

D、1.4mA

2、【单选题】<img src="http://nos.netease.com/edu-image/832b9c5aafa34f6fb9f8df8ce94a5eba.png" />

A、4A

B、7.5A

C、16A

D、21A

测试题

1、【单选题】<img src="http://nos.netease.com/edu-image/c662b45c97ed4198b8c6cdc0b4210cce.png" />

A、4A

B、-2A

C、1A

D、3A

测试题

1、【单选题】<img src="http://nos.netease.com/edu-image/d687ec5e792a49f5bfd8b2ea30995034.png" />

A、25W

B、40W

C、30W

D、50W

2、【单选题】<img src="http://nos.netease.com/edu-image/dc35aab2a578474eb9b71fe431b60cd3.png" />

A、0.83A

B、1.12A

C、1.54A

D、1.87A

3、【单选题】<img src="http://nos.netease.com/edu-image/f861d616abdf4a4a9256c14f62ce188e.png" />

A、12V

B、21V

C、27V

D、35V

第2章单元测试

1、【单选题】<img src="http://nos.netease.com/edu-image/1f2589c7ec7e4c9089bb2f4ae428e6ea.png" />

A、-1V

B、1V

C、2V

D、3V

2、【单选题】<img src="http://nos.netease.com/edu-image/2a73e00337164ed388174b4822f5c701.png" />

A、93W

B、137W

C、268W

D、374W

3、【单选题】<img src="http://nos.netease.com/edu-image/21fbed322a1b4c63b6dac3d698f1d796.png" />

A、5A，95W

B、5A，100W

C、6A，95W

D、6A，100W

4、【单选题】<img src="http://nos.netease.com/edu-image/57e4e66f763b4fd7a4f3ae8405769a9a.png" />

A、2V，0.5A

B、2V，-0.5A

C、1V，0.5A

D、1V，-0.5A

测试题

1、【单选题】<img src="http://edu-image.nosdn.127.net/C50B16CC15E032D7E478A2AA978783A3.png?imageView height: 1px;" /><img src="http://edu-image.nosdn.127.net/FFF2032C3EDDF27A6B05F9B9E315FF44.png?imageView&thumbnail=890x0&quality=100" />

A、5

B、7

C、10

D、15

2、【多选题】下面说法正确的是（）。

A、如果已知某支路的电流大小与方向，那么可以用与该支路电流大小与方向相同的电流源替代该支路。

B、如果已知某支路的电压大小与方向，那么可以用与该支路电压大小与方向相同的电压源替代该支路。

C、如果已知某支路的电压大小为0，那么该支路可以用短路线替代。

D、如果已知某支路的电流大小为0，那么该支路可以用开路替代。

测试题

1、【单选题】<img src="http://edu-image.nosdn.127.net/B35C2A96FF9C0EA35B66936EBCA61C75.png?imageView&thumbnail=890x0&quality=100" />

A、1A

B、2A

C、3A

D、4A

测试题

1、【单选题】<img src="http://edu-image.nosdn.127.net/DBA56729612425AC8D70A897FC460BB7.png?imageView&thumbnail=890x0&quality=100" />‍

A、-14A

B、14A

C、15A

D、-15A

2、【单选题】<img src="http://edu-image.nosdn.127.net/9B0FA9CC464E54E5B1AD302A42FBA64E.png?imageView&thumbnail=890x0&quality=100" />

A、0.8A

B、2A

C、1A

D、1.5A

3、【单选题】<img src="http://edu-image.nosdn.127.net/1A1FC31CE1A739595DF0CCA27929AEDC.png?imageView

A、93.5V

B、84.5V

C、64V

D、105V

测试题

1、【多选题】下面说法正确的是（）。

A、戴维南定理是将复杂的有源线性二端网络等效为1个电压源与1个电阻串联的电路模型。

B、戴维南定理是将复杂的有源线性二端网络等效为1个电流源与1个电阻并联的电路模型。

C、戴维南定理等效模型中的等效电阻为将有源线性二端网络内部所有独立源置0后，在有源线性二端网络端口处的等效电阻。

D、戴维南定理等效模型中的电压源电压为有源线性二端网络端口处的开路电压。

测试题

1、【单选题】<img src="http://edu-image.nosdn.127.net/D5B672EEB24F3200C064F736F55B937B.png?imageView&thumbnail=890x0&quality=100" />

A、0.8A

B、2A

C、1A

D、1.5A

2、【单选题】<img src="http://edu-image.nosdn.127.net/F0BDC5CC1C46115A5669DF2E070F0F5E.png?imageView

A、16V

B、20V

C、24V

D、30V

3、【单选题】<img src="http://edu-image.nosdn.127.net/172DC30464EF7D97317851A79FCFBB14.png?imageView&thumbnail=890x0&quality=100" />

A、6

B、8

C、9

D、12

测试题

1、【单选题】<img src="http://edu-image.nosdn.127.net/41E5E0CBEF209F59AF349A602798DB33.png?imageView&thumbnail=890x0&quality=100" />

A、10A

B、6.67A

C、5A

D、3.33A

2、【单选题】<img src="http://edu-image.nosdn.127.net/34906BA11451523779EBDDA326175E50.png?imageView&thumbnail=890x0&quality=100" />

A、3.5

B、4.5

C、5

D、7

测试题

1、【单选题】<img src="http://edu-image.nosdn.127.net/09C404BDC3FA78796A1F642C2DC90A03.png?imageView&thumbnail=890x0&quality=100" />

A、8

B、6

C、5

D、4

2、【单选题】<img src="http://edu-image.nosdn.127.net/18778957296B53BC9A1405CDA1FE4729.png?imageView

A、2.25W

B、9W

C、3.25W

D、4.5W

测试题

1、【单选题】<img src="http://edu-image.nosdn.127.net/F1A6B164101D1B04B863FAE74168FE26.png?imageView

A、1A

B、-1A

C、1.25A

D、-1.25A

第3章单元测试

1、【单选题】<img src="http://nos.netease.com/edu-image/e10e83b36051470ab97bf37d549c9671.png" />

A、50V

B、80V

C、-10V

D、-25V

2、【单选题】<img src="http://nos.netease.com/edu-image/02bae4e6206b496bb717f54342518e8a.png" />

A、0V

B、1.5V

C、2.5V

D、5V

3、【单选题】<img src="http://nos.netease.com/edu-image/15253bbb387141569a29113881977ce7.png" />

A、1.25W

B、2.5W

C、5W

D、10W

4、【单选题】<img src="http://nos.netease.com/edu-image/e0832204c0e64dd381ce46548822424d.png" />

A、12V

B、7V

C、10V

D、9V

测试题

1、【单选题】<img src="http://edu-image.nosdn.127.net/E79FA3325D61275148D05408CDED4CFB.png?imageView&thumbnail=890x0&quality=100" />

A、15A

B、10A

C、5A

D、2.5A

2、【单选题】<img src="http://edu-image.nosdn.127.net/C86D856C7EAA66F228245CE44B52A44A.png?imageView&thumbnail=890x0&quality=100" />

A、4V

B、0

C、2V

D、3V

测试题

1、【单选题】<img src="http://edu-image.nosdn.127.net/BF4AE4833C0DD46DEF19D74A43E102DE.png?imageView&thumbnail=890x0&quality=100" />

A、<img src="http://edu-image.nosdn.127.net/B39181DB714DCF1F899813E5799F080C.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/75A83335EFC21F1F7B43381F2B0611F4.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/A2EC35C97C79F709892C4B667A23E30C.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/48710A9FD84DB4C490C673C75F48BBC6.png?imageView&thumbnail=890x0&quality=100" />

2、【单选题】<img src="http://edu-image.nosdn.127.net/07D21E40FEE0ED40D4946036C710C8FF.png?imageView

A、<img src="http://edu-image.nosdn.127.net/62493FB49DEABA50597F910C7089F1CA.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/A3152E514C403A0C5D95778F9BDB3F9D.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/7CE7B9340D235067167049500B45C82E.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/C70EE2AF09F7746ED1EF348A9142D66B.png?imageView&thumbnail=890x0&quality=100" />

3、【单选题】<img src="http://edu-image.nosdn.127.net/F404568C54C83EDA091FA85044E1BE54.png?imageView

A、<img src="http://edu-image.nosdn.127.net/CD1C65805D38DF14CCAA387A9BF847D2.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/9903D7612E9FBB064FD6B20F4ADD83BE.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/E9DEF85D431FEC624BA4053859E0162A.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/F26FBAFA97A653AF09278858F609B53E.png?imageView&thumbnail=890x0&quality=100" />

测试题

1、【单选题】<img src="http://edu-image.nosdn.127.net/56015AD33F1960C4530C793B9B8B8B42.png?imageView&thumbnail=890x0&quality=100" />

A、<img src="http://edu-image.nosdn.127.net/0BBEF607BE9121CE941CEB00DAAE542F.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/93859E2E239EB1CF25EA9782AC675B16.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/11FCF8C48CEC24EB36720586D424FB3D.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/1E6EF184D20DB12E6F59AD4DFA0AC1B7.png?imageView&thumbnail=890x0&quality=100" />

2、【单选题】<img src="http://edu-image.nosdn.127.net/398C6CBD8071027949DB43EC7D7AC23B.png?imageView&thumbnail=890x0&quality=100" />

A、<img src="http://edu-image.nosdn.127.net/948EFF782327C693A469B1326B074750.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/CB5B8F618821B7D1F7CDBA2372DE2401.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/0763F766283CC5C5F3E1C5166B3D990A.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/1F71E05933857A113EDA9097F7CFA6ED.png?imageView&thumbnail=890x0&quality=100" />

3、【单选题】<img src="http://edu-image.nosdn.127.net/677BFFE1FB60B377F4D365B029C97191.png?imageView&thumbnail=890x0&quality=100" />

A、<img src="http://edu-image.nosdn.127.net/B99A824628D1217B893F6E51E773938E.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/BF4180039A44744EEBA85BE6F124491B.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/78C646B0D46C4E4947CDAF251F452CCC.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/ED98CC18B6FF62D4D1CE083D3AC47FCC.png?imageView&thumbnail=890x0&quality=100" />

测试题

1、【单选题】<img src="http://edu-image.nosdn.127.net/2A265D1A50819A2449D11CCB02F18EDE.png?imageView&thumbnail=890x0&quality=100" />

A、<img src="http://edu-image.nosdn.127.net/8892664C2B2901856897DA8DAC062CD2.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/6885A748032B077F9E419791D43E790E.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/03FBF6F3AAE2816DBCE6AE762A2873E7.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/C7062A8DA1C1E46648A491BC927E5BF1.png?imageView&thumbnail=890x0&quality=100" />

2、【单选题】<img src="http://edu-image.nosdn.127.net/C340247795AC1A34AC292B3D447431B9.png?imageView&thumbnail=890x0&quality=100" />

A、<img src="http://edu-image.nosdn.127.net/CA1F7B3C7854DE164A58E207E97C263A.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/49439A114C7C179684E2A4DECDD9B31A.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/F6262C70828A993B969A67FC1AC08F17.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/F4D4C96CEE8BD290B514FD3060ED4BFE.png?imageView&thumbnail=890x0&quality=100" />

3、【单选题】<img src="http://edu-image.nosdn.127.net/36F616523E75A15D258A8F6D2F2F9585.png?imageView&thumbnail=890x0&quality=100" />

A、<img src="http://edu-image.nosdn.127.net/3643436A7872545D535D22AB844561AC.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/EA9E13F8CBBDF43DDD9447F0E441FC59.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/8B85D030F1AD686A2094AEFCC70BA07B.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/53451C9DE2A1DF41D8C8D26B9757119E.png?imageView&thumbnail=890x0&quality=100" />

4、【单选题】<img src="http://edu-image.nosdn.127.net/9D7AC8D000E12652762FAE49A11B7DEA.png?imageView

A、<img src="http://edu-image.nosdn.127.net/C1A4396DAA80D70F4029DFA01F2F56F7.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/F106BA3C0AD806FF4E267A1E628D6F63.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/38C1AB7674BA635CF87B84188A38D180.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/44F691CA7A304A884D2DCBC1B9FC4483.png?imageView&thumbnail=890x0&quality=100" />

测试题

1、【单选题】<img src="http://edu-image.nosdn.127.net/22521ECC789F82D7537FC16AF4C22372.png?imageView

A、<img src="http://edu-image.nosdn.127.net/C3FD36FEA6B79E5389A9840FFF697EA0.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/4418289C1972E6EBEDE842655073BFC2.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/B41C9E8C7656B09EB6BAF7F3C5D8F141.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/BDD48B0F4B81B724F59AA1B2A2030193.png?imageView&thumbnail=890x0&quality=100" />

2、【单选题】<img src="http://edu-image.nosdn.127.net/4A2F43C7EA9B9E9D302B195715ECDA05.png?imageView&thumbnail=890x0&quality=100" />

A、<img src="http://edu-image.nosdn.127.net/1A837C85050D4F4E2277F883417232A3.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/AFA28C0230971AF54220B8CB98AE6947.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/8843B34C50908262E14A7903CBADFEDD.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/9FA31F6F95D0D7EE0CFB70BB83226AB7.png?imageView&thumbnail=890x0&quality=100" />

3、【单选题】<img src="http://edu-image.nosdn.127.net/99E2B9177411221FB3210D748ADC6E0D.png?imageView

A、<img src="http://edu-image.nosdn.127.net/ABDFC3258F83FB8AA883237A929D28C0.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/F567F1478C223A048C32ED75920EBB20.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/C08D9D9858989EDB345EEFC8BDC77AF5.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/FB18EDF2B0283597E1768FE8D7A3E65F.png?imageView&thumbnail=890x0&quality=100" />

测试题

1、【单选题】<img src="http://edu-image.nosdn.127.net/C7EF2D97B00BBEA67D8D0949CD3E1891.png?imageView&thumbnail=890x0&quality=100" />

A、<img src="http://edu-image.nosdn.127.net/A0C654FBB5F03A9CD568CB2067E021FF.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/00B25E655FEF4187F35FB85BEFDB8766.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/EFA3F6AC14789198E58CCBD181FE6678.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/EC24CEE9F697E2D9241BDFC280B4C76D.png?imageView&thumbnail=890x0&quality=100" />

测试题

1、【单选题】<img src="http://edu-image.nosdn.127.net/5CC7556A3212B04F3AE20D4DB55723C1.png?imageView

A、<img src="http://edu-image.nosdn.127.net/DFEA736500260F254AF9A8ECC8E26ED2.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/8E2DDBEB52D562ABE551605ECB1CCE34.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/BDA9C1866EE7AABE858C56DC1FE8DA27.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/89C8BF5A6D60C26FBABBE97F8A70B267.png?imageView&thumbnail=890x0&quality=100" />

2、【单选题】<img src="http://edu-image.nosdn.127.net/90A0FBAC64894F3D1C341FA7B8028CAC.png?imageView

A、–38V

B、19.7V

C、35.3V

D、38V

测试题

1、【单选题】<img src="http://edu-image.nosdn.127.net/57847599B16023648958B36D4FFDE2CC.png?imageView&thumbnail=890x0&quality=100" />

A、<img src="http://edu-image.nosdn.127.net/B240A5A87DA095C7E24F5FA225016639.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/F0938F6A663DE56C3CC8E913668C5B21.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/D74778B798C7A54E12B3E6184A0E0E95.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/ACB72FC9B31D102DBAC171B3F9F2092C.png?imageView&thumbnail=890x0&quality=100" />

测试题

1、【单选题】<img src="http://edu-image.nosdn.127.net/8873D805E402AE2930F4F7865C81D2B8.png?imageView&thumbnail=890x0&quality=100" />

A、<img src="http://edu-image.nosdn.127.net/C6AFF53C3AF7D512A267833BC2CA3B11.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/DEED54C74BAA03C7E49E51748010932C.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/BBF8971D8A96F340A4162C93A5790A19.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/0D6CB9F23EBD3CDD1CA52B899529EB70.png?imageView&thumbnail=890x0&quality=100" />

第4章单元测试

1、【单选题】<img src="http://edu-image.nosdn.127.net/6DFF92C02D6969927C1676E6432DD0E2.png?imageView

A、<img src="http://edu-image.nosdn.127.net/44BA30B73791B604DC662EC0EB30C9D3.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/3434273EB7470D9D363B58B88178FCEE.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/E8278D15AAD6F2C3B4C2800D124A2C15.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/E8167A8089614B54B5786EF375AD9BC5.png?imageView&thumbnail=890x0&quality=100" />

2、【单选题】<img src="http://edu-image.nosdn.127.net/A96B8EAB94B1F1A5BD5D906F6E7E142F.png?imageView

A、<img src="http://edu-image.nosdn.127.net/8555D71F6E87B5229871BB4625A45AD8.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/52215404C64FC61B48CB3BC24D3C75E3.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/4C749A4A8723E503B615AF83539052B4.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/67B96F3F694FDA718633C7678E47EAF2.png?imageView&thumbnail=890x0&quality=100" />

3、【单选题】<img src="http://edu-image.nosdn.127.net/BB0ED4D59E466D241BC3AEEBE16FC055.png?imageView&thumbnail=890x0&quality=100" />

A、<img src="http://edu-image.nosdn.127.net/DEE144720C82FB25A6DABCD5B10EFBF2.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/975EE278390D0AC4E45B39DE0DF2B803.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/B76AB855A6E06BAB875838033140D563.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/8083EA5E0F4B90F1FC25DB213B03DDC2.png?imageView&thumbnail=890x0&quality=100" />

4、【单选题】<img src="http://edu-image.nosdn.127.net/6119345470AE00350302DCCEEBFE5AAD.png?imageView&thumbnail=890x0&quality=100" />

A、<img src="http://edu-image.nosdn.127.net/89DC921AB19A62BCB6D10CB3AB8B6CEE.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/8D0E7953DA6525375F6B541D5399131F.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/C813B6CA37125561B4C1363513F10A94.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/71E09A9A291B19CB71B6A29BDBB9AD1E.png?imageView&thumbnail=890x0&quality=100" />

5、【单选题】<img src="http://edu-image.nosdn.127.net/5C2D17E5B39C586AD77D59DCAC05F347.png?imageView

A、<img src="http://edu-image.nosdn.127.net/604E138A5D4FED6A1852DF614CFB2CB5.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/277B1DA8A7984A5EF68E3159CC23CA1F.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/F275C274502AAA4E736750899FB73162.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/89732AB2FEE6489015E7736BDDCEF1C7.png?imageView&thumbnail=890x0&quality=100" />

6、【单选题】<img src="http://edu-image.nosdn.127.net/B589769258DFF2CC6A5D8FF2706A54DC.png?imageView&thumbnail=890x0&quality=100" />

A、<img src="http://edu-image.nosdn.127.net/2A8AE649CA1E8C0D54564F977B7978BC.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/475BCBDC3EFE6482C3B93443C1CC8E0A.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/C2EF031083BB3D2297A1443B56E56585.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/A968E59895FBC62A61D46F9500C86AC8.png?imageView&thumbnail=890x0&quality=100" />

测试题

1、【单选题】<img width="804" height="82" style="width: 649px; height: 59px;" src="http://edu-image.nosdn.127.net/54AD93A2E4804BDB70CAA2980A1DB741.png?imageView

A、<img src="http://edu-image.nosdn.127.net/8A4DC7DA5B24121D01847569273BF597.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/DF4E336EF6800FDDF22E90DB11412E90.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/49E8C6A1A17723035E01E18CA35144BF.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/DB6E64C453AB902BC08759AE2A0469B2.png?imageView&thumbnail=890x0&quality=100" />

2、【单选题】<img src="http://edu-image.nosdn.127.net/29842A8E76EB826E6178714A51C6FD7A.png?imageView&thumbnail=890x0&quality=100" />

A、<img src="http://edu-image.nosdn.127.net/334C407050F8591E5D90B1B954223962.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/C04EE30871AF1CC2A8B44D4FABA512CA.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/0D8DF15E5BCF1B220E27B931719710F9.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/E0DEDBFB084DD5167196FB329A1C351C.png?imageView&thumbnail=890x0&quality=100" />

测试题

1、【单选题】<img width="804" height="86" style="width: 666px; height: 68px;" src="http://edu-image.nosdn.127.net/E9F44FE97D125065A6307F800D3FE74F.png?imageView

A、<img src="http://edu-image.nosdn.127.net/B60F2FD8B742951B34B59948CDD7319C.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/5A8446F320FF205F380F1D08FA267B4D.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/D3F0D8829B4D93D1A84A029DD4B34D0F.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/608946B9D279A5AAB2505640D5785325.png?imageView&thumbnail=890x0&quality=100" />

2、【单选题】<img src="http://edu-image.nosdn.127.net/F2945672734F75CF4B190DE10BE9845F.png?imageView&thumbnail=890x0&quality=100" />

A、<img src="http://edu-image.nosdn.127.net/D27AFB33E2C9F80D07DB3F6D9A2FADFF.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/6A862FECC3DEAC54B5BF8060489EEA34.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/B81768CEC90F4CE443AE90A86573853C.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/45A57793B0EB68FC06EA4FB2E1305066.png?imageView&thumbnail=890x0&quality=100" />

3、【单选题】<img src="http://edu-image.nosdn.127.net/0B9BCF79D5255FAFEA39C0DB2476F21C.png?imageView

A、<img src="http://edu-image.nosdn.127.net/97AE930315A1FD4E4F76ED7F91BF20A9.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/EDC1CB33CE470786ED87D690B01FCEFB.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/4E4629C11089722E35EEF44A504F0906.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/6E653E5E289B0444934190AB5E54BC8C.png?imageView&thumbnail=890x0&quality=100" />

4、【单选题】<img src="http://edu-image.nosdn.127.net/665D265FBCDC1029FC05DDC3A05AE043.png?imageView

A、<img src="http://edu-image.nosdn.127.net/8284592649E9CBAAE18F515774CEDD72.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/1853E40934827E09A9D2C75367C360FF.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/8BCA4E0F2AB3DA8E712B0C9D34880A57.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/36F1518F7C48213B3BBBCAA40BFC3FC1.png?imageView&thumbnail=890x0&quality=100" />

测试题

1、【单选题】<img width="814" height="210" style="width: 653px; height: 155px;" src="http://edu-image.nosdn.127.net/E295B440F7E7915E9DA5299DDB0BD166.png?imageView&thumbnail=890x0&quality=100" />

A、纯电阻性

B、电容性

C、电感性

D、电阻电感性

2、【单选题】<img width="816" height="201" style="width: 638px; height: 142px;" src="http://edu-image.nosdn.127.net/755A44190610288E50DAB4F9951951A2.png?imageView&thumbnail=890x0&quality=100" />

A、纯电阻性

B、电容性

C、电感性

D、电阻电感性

3、【单选题】<img width="812" height="204" style="width: 638px; height: 156px;" src="http://edu-image.nosdn.127.net/2CA544515B7DE9D40EDF1F3792A27DF7.png?imageView

A、纯电阻性

B、电容性

C、电感性

D、电阻电感性

测试题

1、【单选题】<img src="http://edu-image.nosdn.127.net/E2ACB732159B1D480FA1B14AB9C63CF4.png?imageView&thumbnail=890x0&quality=100" />

A、<img src="http://edu-image.nosdn.127.net/A9186EFF1CCD1B8EB4C9838A95313FEF.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/3FF1361D84F0968298D76361B4BA232D.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/CB71A37E867CF0608F4D8D6A551324D0.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/6C466FB21D248D0EA36B6C8802F0DAB5.png?imageView&thumbnail=890x0&quality=100" />

2、【单选题】<img src="http://edu-image.nosdn.127.net/7C5CB8996005F792A23F45C47D9AE0CC.png?imageView&thumbnail=890x0&quality=100" />

A、20V

B、<img src="http://edu-image.nosdn.127.net/8132F1CBDD4F8CCB91307791137EA194.png?imageView&thumbnail=890x0&quality=100" />

C、200V

D、<img src="http://edu-image.nosdn.127.net/16E2D5364EF65EB22C7F06C3E9EC4A67.png?imageView&thumbnail=890x0&quality=100" />

3、【单选题】<img src="http://edu-image.nosdn.127.net/99A9C0C0AE31C535AE0CA42ACA3F2EB3.png?imageView&thumbnail=890x0&quality=100" />

A、<img src="http://edu-image.nosdn.127.net/26A4285153A0A4A482DB0D04200DEE0A.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/7E8D917AFACB34241CEA4136E5FFE33F.png?imageView&thumbnail=890x0&quality=100" />

C、20A

D、15 A

4、【单选题】<img width="799" height="219" style="width: 644px; height: 163px;" src="http://edu-image.nosdn.127.net/7D5AC884AC0186B6C2CF8C6EEBB3BEEA.png?imageView&thumbnail=890x0&quality=100" />

A、增大

B、减小

C、不变

D、不能确定

测试题

1、【单选题】<img width="793" height="256" style="width: 634px; height: 179px;" src="http://edu-image.nosdn.127.net/ECC72333FC8ACD4B1D8EEF741222653C.png?imageView&thumbnail=890x0&quality=100" />

A、<img src="http://edu-image.nosdn.127.net/7CCD09945B9EC0C15A3A1695E074E78A.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/BCE89F26DF7F6E5EAF12320706ED31FB.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/DDB03EBABDB6E772FDA9927AEF121156.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/BF40757BFAE3249792A8CCBBB098ABF0.png?imageView&thumbnail=890x0&quality=100" />

2、【单选题】<img src="http://edu-image.nosdn.127.net/CA9BD285501F31543EB8EFE1C940EF16.png?imageView height: 69px;" />

A、2F

B、0.05H

C、0.05F

D、5H

3、【单选题】<img width="798" height="226" style="width: 626px; height: 166px;" src="http://edu-image.nosdn.127.net/37271D44DB1CD9491218B81B0E6DB501.png?imageView

A、<img src="http://edu-image.nosdn.127.net/B009B25D99932A1EA71D93EF7B5EF65C.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/486ED37727A2128BFE62A2BCB5A7E239.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/69CB406019D5A098C38C8F35CBD9C34B.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/03F7B8844B9FD3B860A1D53B4035ACE9.png?imageView&thumbnail=890x0&quality=100" />

4、【单选题】<img width="651" height="161" style="width: 525px; height: 113px;" src="http://edu-image.nosdn.127.net/698E944A0E56744F6BF7B118E052B3AA.png?imageView&thumbnail=890x0&quality=100" />

A、增大

B、减小

C、不变

D、不能确定

测试题

1、【单选题】<img width="456" height="171" style="width: 340px; height: 130px;" src="http://edu-image.nosdn.127.net/1BCE712AFCC90D2245DC41B186862776.png?imageView

A、‍<img src="http://edu-image.nosdn.127.net/AEE9A7A19C79BAAFEC62A16944DD8FE7.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/95F50E7ACB9DA86E79C3D0F1F0256167.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/5DF98FEBD7DAAE1A4D1805538112BA81.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/873B6F0263588AEF3856BC0473CC7F45.png?imageView&thumbnail=890x0&quality=100" />

2、【单选题】下列表达式哪个正确（）。

A、<img src="http://edu-image.nosdn.127.net/C64D75CF90B91854D84CE6A7B687F710.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/CCE8585CDC7E7E712A860012F6C88919.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/C730A42C86144A58A2278B8AB4E6E95A.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/1E0F36E0367C718FA63A8A3F1417F75A.png?imageView&thumbnail=890x0&quality=100" />

3、【单选题】下列公式哪个可用来计算RLC串联电路的平均功率（）。

A、<img src="http://edu-image.nosdn.127.net/48254345B77F9379F735185077EB4731.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/46E6EBC3247528FBB32BC5A18BE6FFFF.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/AD48F588F1DB0A5BFE0ABF50D3952EA5.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/5AAF00F97E691111141B4A1796AE57E1.png?imageView&thumbnail=890x0&quality=100" />

4、【单选题】<img width="805" height="202" style="width: 586px; height: 152px;" src="http://edu-image.nosdn.127.net/3E73058654B6AFE491353425ECEE7527.png?imageView

A、<img src="http://edu-image.nosdn.127.net/345C932A7A1C24B44943C74E2E37A1C7.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/401484FA47F96A78F25F43791D7422F8.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/9BA1EF6647B6DD6791A4F582E085AFCF.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/048FFB985C93BCD2A46172C45E08DA85.png?imageView&thumbnail=890x0&quality=100" />

测试题

1、【单选题】<img width="805" height="246" style="width: 653px; height: 194px;" src="http://edu-image.nosdn.127.net/F61DC0C9A3235E0CB5B2ECE75F727594.png?imageView&thumbnail=890x0&quality=100" />

A、10V

B、<img src="http://edu-image.nosdn.127.net/C67D38A8E9999FF06E80ECA8A945C62C.png?imageView&thumbnail=890x0&quality=100" />

C、40V

D、20V

2、【单选题】<img src="http://edu-image.nosdn.127.net/4C3D43873D2A1EF7992CCAD259CABAD7.png?imageView height: 187px;" />

A、100W

B、15W

C、155W

D、150W

3、【单选题】<img width="835" height="240" style="width: 577px; height: 156px;" src="http://edu-image.nosdn.127.net/538D77A07F9F4BD7268C76DB8FA25415.png?imageView

A、<img src="http://edu-image.nosdn.127.net/EF541FA10E87B05E3BCED986E8E4CE83.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/071FF916DF71D757F99C1E30564186A3.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/EE801C2F59CCF22303DE99007F1798B4.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/D7029E1C847FE92DFD2A997F525FA7E1.png?imageView&thumbnail=890x0&quality=100" />

4、【单选题】<img width="610" height="227" style="width: 476px; height: 164px;" src="http://edu-image.nosdn.127.net/C0AA8CD0CCBE208C80A67219D4277F39.png?imageView&thumbnail=890x0&quality=100" />

A、90W

B、18W

C、3W

D、45W

测试题

1、【单选题】某一个电感线圈（其等效模型为R串L）与一个电容C串联，接在有效值为100V的正弦交流电源上，此时电路发生串联谐振，测得电容两端电压的有效值为100V，则此时电感线圈两端的电压有效值为（）。

A、100V

B、200V

C、141.4V

D、282.8V

2、【单选题】<img src="http://nos.netease.com/edu-image/9e0528b1f9f841bea8d2f5b7f5485a19.png" />

A、20

B、50

C、100

D、80

3、【单选题】<img src="http://nos.netease.com/edu-image/5144ecdebc194bc7b647ae6d10b08eb7.png" />

A、12

B、28

C、25

D、35

测试题

1、【单选题】<img src="http://nos.netease.com/edu-image/0f579077019a43c3a180a82227014365.png" />

A、<img src="http://nos.netease.com/edu-image/73bf8a9e5c634b3d8c2948709193006d.png" />

B、<img src="http://nos.netease.com/edu-image/11bec8c9708e4f25b58eb3c04a12a0b9.png" />

C、<img src="http://nos.netease.com/edu-image/c299786733a7413d8740c1004641c948.png" />

D、<img src="http://nos.netease.com/edu-image/fa227cbb0cc34b5bbb829ca02ae989a1.png" />

2、【单选题】<img src="http://nos.netease.com/edu-image/010bc5bd35fe4df8906bd45c335f2a72.png" />

A、<img src="http://nos.netease.com/edu-image/73bf8a9e5c634b3d8c2948709193006d.png" />

B、<img src="http://nos.netease.com/edu-image/11bec8c9708e4f25b58eb3c04a12a0b9.png" />

C、<img src="http://nos.netease.com/edu-image/c299786733a7413d8740c1004641c948.png" />

D、<img src="http://nos.netease.com/edu-image/fa227cbb0cc34b5bbb829ca02ae989a1.png" />

第5章单元测试

1、【单选题】<img width="754" height="320" style="width: 590px; height: 226px;" src="http://edu-image.nosdn.127.net/A72A57A62931E25C1FC6A08B4450CA28.png?imageView

A、10KW

B、15KW

C、3.63KW

D、5KW

2、【单选题】<img width="817" height="246" style="width: 681px; height: 196px;" src="http://edu-image.nosdn.127.net/A0D36DD74A8F3AB8217821E2B97DDED9.png?imageView&thumbnail=890x0&quality=100" />

A、<img src="http://edu-image.nosdn.127.net/ADFC62297828D5FBAFF1C661AE22114E.png?imageView&thumbnail=890x0&quality=100" />

B、<img src="http://edu-image.nosdn.127.net/12EBD533F7DE76CBD9B6A1227AE24672.png?imageView&thumbnail=890x0&quality=100" />

C、<img src="http://edu-image.nosdn.127.net/E7CFFA3CF724A34E2389DDC9EA2FAFA9.png?imageView&thumbnail=890x0&quality=100" />

D、<img src="http://edu-image.nosdn.127.net/D722267760B5372710D00AA71193A85F.png?imageView&thumbnail=890x0&quality=100" />

3、【单选题】<img width="809" height="260" style="width: 584px; height: 192px;" src="http://edu-image.nosdn.127.net/51F80AC8C2F12C9B1478182A44FB60F0.png?imageView

A、32V，5A

B、15.52V，3A

C、15.52V，5A

D、32V，3A

4、【单选题】<img width="810" height="244" style="width: 592px; height: 180px;" src="http://edu-image.nosdn.127.net/595D695B120D5B9C279EC75949EF2FC7.png?imageView&thumbnail=890x0&quality=100" />

A、10Ω，5Ω

B、10Ω，10Ω

C、12Ω，5Ω

D、10Ω，15Ω

5、【单选题】<img src="http://nos.netease.com/edu-image/f2cd167002f14a98b6f4dd56c1259ff8.png" />

A、5W

B、10W

C、20W

D、30W

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