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电路分析课程复习考试试题及答案B - 百度文库

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  • 2025/6/23 8:45:34

·ϰҪB

һѡ

1ͼ1ʾ·˵ѹU=

A0V

B2V C4V D8V

ͼ1

2ͼ2ʾ·֪еΪ10-90oAĵΪ

A0A B2A C5A D10A

ͼ2

3һΪ10ȦһɱԪ220VĹƵԴϣڵݣʹȦ͵ԪĶ˵ѹ220V·ĵĹP A1630W B2630W C3630W D4630W 4ͼ3ʾ·5յĹΪ A45W

B245/36W C845/36W D320W

ͼ3

5RC˵··ĽƵΪ1 rad/sʱЧ迹Z=(5-j2)ƵΪ2 rad/sʱ迹Z= A(5-j2) B5 C(5-j1) Dj2

1 ҳ 4 ҳ

6ͼ4ʾ·U= A-10V B0V C5V D10V

ͼ4

7һΪ1KWĸӦ綯220VƵԴϣ綯ĹΪ0.5õ綯ڹΪ

A1KVA B2KVA C3KVA D4KVA

8ͼ5ʾ·ڻ·ǰѴ̬t=0ʱضϿеѹijֵΪ

A-2V B5V C-5V D8V

ͼ5

9̬·еĵϣiѹuLΪοбʽȷǣ

U ?L??UCI?jBLUL DI?L

?LAuL??Li BI???10֪׳Ϊ40W220VЧֵΪ

A

40A B220/40A 220C

402202A D

402A 220

1ɰɺ______еɵָ______

12ҽRLC·,f?ʱ,·______ԣ·迹Ϊ______

2?LC 2 ҳ 4 ҳ

3. ֪ij·пдKCL̸3KVL̸4õ·нڵ____________ 4. ѹĻ__________________

5. ____________ʱ䰴______ɱ仯ĵΪҽ

ж⣨עTʾȷFʾ

1ԭԵ·ԷԵ·Ҳá 2οΪ涨ķο͵ѹο򡣣 3Ƶʷ仯ʱֵҲ仯 4ܿԴһ֧·ĵѹƵĵԴ 5. ij迹Ƶʱ迹ģ֮С

ġ

1. άϵЧR0ʱԵ·еĶѹԴͶԴδģ 2. ֪ijһԪĵѹοΪʲôԪ

?u?10sin(100t)V ??i?2cos(100t)A3. еѹǷܹɶԳƵԴܣ˵ܣ˵ԭ

ua?100cos314tV???ub?100sin(314t?120?)V ?u?100cos(314t?120?)V?c4. һ12Vĵظݹ磬صѹֺ㶨֪8СʱڵṩΪ500J򣺣1ṩݵĹǶ٣2ݵĵǶ٣

1. ͼ6ʾ·t=0ʱرպϣպǰ·Ѵ̬Ҫط·ݵѹȫӦ

ͼ6

3 ҳ 4 ҳ

·ϰҪB

һѡ 1 A 2 A 3 C 4 C 5 C 6 D 7 B 8 A 9 10 A D 1 2 3 4 5 ѹɣڵĵͺ R 4 4 ѹ 迹 С ж⣨עTʾȷFʾ 1 F 2 T 3 F 4 T 5 F ġ

1. ѹԴΪ· ԴΪ· 2. ԪΪ

3. ܣΪubתΪʽ󣬵óijֵ120 4. P=W/t=500/(8*3600)=0.017W

I=P/U=0.017/12=0.00145A

塢 1.

⣺ uc?0???uc?0???18V

uc(?)?1.2?(20//5)?4.8V

??RC?(20//5)?0 .5?2stt??

uc(t)?uc(?)??uc(0?)?uc(?)?e??4.8??18?4.8?e??4.8?13.2e?0.5tV

4 ҳ 4 ҳ

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·ϰҪB һѡ 1ͼ1ʾ·˵ѹU= A0V B2V C4V D8V ͼ1 2ͼ2ʾ·֪еΪ10-90oAĵΪ A0A B2A C5A D10A ͼ2 3һΪ10ȦһɱԪ220VĹƵԴϣڵݣʹȦ͵ԪĶ˵ѹ220V·ĵĹP A1630W B2630W C3630W D4630W 4ͼ3ʾ

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