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本课程起止时间为:2020-12-09到2021-05-31
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1 Fundamentals of Circuits Test 1 : Fundamentals of Circuits

1、 问题:The branch current  is
选项:
A:2A
B:4A
C:6A
D:8A
答案: 【4A

2、 问题:The branch current  is
选项:
A:1A
B:2A
C:3A
D:4A
答案: 【2A

3、 问题:The branch voltage  is
选项:
A:1V
B:2V
C:3V
D:7V
答案: 【3V

4、 问题:The branch voltage  is
选项:
A:1V
B:3V
C:5V
D:7V
答案: 【7V

5、 问题:The branch current  is
选项:
A:1A
B:1.5A
C:3A
D:3.5A
答案: 【1.5A

6、 问题:The branch current  is
选项:
A:0.5A
B:2A
C:2.5A
D:4.5A
答案: 【4.5A

7、 问题:The power of  is
选项:
A:4W
B:8W
C:18W
D:36W
答案: 【4W

8、 问题:The power of    is
选项:
A:3W
B:6W
C:12W
D:24W
答案: 【6W

9、 问题:The power of    is
选项:
A:
B:
C:
D:
答案: 【

10、 问题:Circuit models are real circuit elements.
选项:
A:正确
B:错误
答案: 【错误

2 Dynamic Circuits Test 2: Dynamic Circuits

1、 问题:The relation between   is
选项:
A:
B:
C:
D:
答案: 【

2、 问题:The relation between   is
选项:
A:
B:
C:
D:
答案: 【

3、 问题:The charging and discharging process of a capacitor is 
选项:
A:quick at first, slow later.
B:slow at first, quich later.
C:with the same speed.
D:with the stochastic speed.
答案: 【quick at first, slow later.

4、 问题:The time constant for the charging process of the capacitor is
选项:
A:
B:
C:
D:
答案: 【

5、 问题:The time constant for the charging process of the inductor is
选项:
A:
B:
C:
D:
答案: 【

6、 问题:The initial voltage of the capacitor is zero. The switch is closed at t=0s. When t>0, the expression of  is
选项:
A:
B:
C:
D:
答案: 【

7、 问题:The initial voltage of the capacitor is 10V. The switch is closed at t=0s. How long does it need for the capacitor to discharge from 10V to 1V?
选项:
A:10s
B:20s
C:about 23s
D:about 46s
答案: 【about 23s

8、 问题:The initial current of the inductor is zero. The switch is closed at t=0s. When t>0, the expression of  is
选项:
A:
B:
C:
D:
答案: 【

9、 问题:The initial current of the inductor is zero. The switch is closed at t=0s. When t>0, the expression of  is
选项:
A:
B:
C:
D:
答案: 【

10、 问题:The initial current of the capacitor is . The switch is closed at t=0s. When t>0, the expression of  is
选项:
A:
B:
C:
D:
答案: 【

3 AC Circuits Test 3: AC Circuits

1、 问题:The phasor corresponding to  is
选项:
A:
B:
C:
D:
答案: 【

2、 问题:The time-domain expression for the phasor  is
选项:
A:
B:
C:
D:
答案: 【

3、 问题:The equivalent impedance of the AC circuit is
选项:
A:
B:

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