1. Circuit Fundamentals

Tests for Chapter 1

1、单选题:

‌选项:
A: Voltage source
B: Current source
C: Unable to determine
D: No power absorbed in this circuit
答案: 【 Current source

2、单选题:

‌选项:
A:
B:
C:
D:
答案: 【 

3、单选题:

​选项:
A: Branch
B: Node
C: Loop
D: Junction
答案: 【 Loop

4、单选题:

‏选项:
A: Branch
B: Node
C: Loop
D: Mesh
答案: 【 Node

5、单选题:

​选项:
A: n
B: b-n+1
C: n+b
D: n-1
答案: 【 n-1

6、单选题:

​选项:
A:
B:
C:
D:
答案: 【 

7、单选题:

‍选项:
A: 220V, 40W
B: 220V, 100W
C: 36V, 100W
D: 110V, 100W
答案: 【 220V, 40W

8、单选题:

‌选项:
A: 2A
B: 1A
C: 0.5A
D: 0.25A
答案: 【 0.25A

9、单选题:

‍选项:
A: 1A
B: 2A
C: 3A
D: 4A
答案: 【 2A

10、单选题:

​选项:
A: A 20V voltage source in series with a 10Ω resistor
B: A 20V voltage source in series with a 8Ω resistor
C: A 50V voltage source in series with a 10Ω resistor
D: A 50V voltage source in series with a 8Ω resistor
答案: 【 A 50V voltage source in series with a 8Ω resistor

10. Transformer

Test for Chapter 10

1、单选题:

‍选项:
A:
B: 0
C:
D:
答案: 【 0

2、单选题:

‌选项:
A:
B:
C:
D:
答案: 【 

3、单选题:

‎选项:
A:
B: Not sure
C:
D:
答案: 【 Not sure

4、单选题:

‎选项:
A:
B:
C:
D:
答案: 【 

5、单选题:

‎选项:
A: 3H
B: 3.25H
C: 3.5H
D: 3.75H
答案: 【 3.75H

6、单选题:

‍选项:
A:
B:
C:
D:
答案: 【 

7、单选题:

​选项:
A:
B:
C:
D:
答案: 【 

8、单选题:

‍选项:
A:
B:
C:
D:
答案: 【 

9、单选题:

​选项:
A:
B:
C:
D:
答案: 【 

10、单选题:

‎选项:
A:
B:
C:
D:
答案: 【 

11. Balanced Three-Phase Circuits

Tests for Chapter 11

1、单选题:

‏选项:
A: 76.21 
B: 62.82 
C: 8.16
D: none of the above
答案: 【 8.16

2、单选题:

‍选项:
A: 26.64, 420.4
B: 36.64, 393.4
C: 46.64, 380
D: none of the above
答案: 【 36.64, 393.4

3、单选题:

‎选项:
A: 2.2
B: 4.4
C: 6.6
D: none of the above
答案: 【 2.2

4、单选题:

‎选项:
A: 5, 2.89, 2.89
B: 2.89, 2.89, 5
C: 2.89, 5, 2.89
D: none of the above
答案: 【 5, 2.89, 2.89

5、单选题:

​选项:
A: U1/1.732
B: U1/2
C: 0.866 U1
D: none of the above
答案: 【 0.866 U1

6、单选题:

‌选项:
A: 0
B: 220
C: 380
D: 110
答案: 【 220

7、单选题:

‍选项:
A: 766.7
B: 46128
C: 23001
D: none of the above
答案: 【 46128

8、单选题:

​选项:
A: 0.707
B: 0.85
C: 0.866
D: 0.95
答案: 【 0.866

9、单选题:

‎选项:
A: Only the three-wattmeter method can measure the total three-phase active power, and the total three-phase active power is 2.15kW.
B: Only the two-wattmeter method can measure the total three-phase active power, and the total three-phase active power is 3.15kW.
C: Only two-wattmeter method can measure the total three-phase active power, and the total three-phase active power is 2.15kW.
D: None of the above is correct.
答案: 【 Only the two-wattmeter method can measure the total three-phase active power, and the total three-phase active power is 3.15kW.

10、判断题:

‍选项:
A: 正确
B: 错误
答案: 【 正确

12. Laplace Transform And Laplace Transform in Circuit Analysis

Tests for Chapter 12

1、单选题:

‌选项:
A:
B:
C:
D: None of the above
答案: 【 

2、单选题:

‎选项:
A:
B:
C:
D: None of the above
答案: 【 

3、单选题:

‍选项:
A:
B:
C:
D: None of the above
答案: 【 

4、单选题:

​选项:
A:
B:
C:
D: None of the above
答案: 【 

5、单选题:

‏选项:
A:
B:
C:
D:  None of the above
答案: 【 

6、单选题:

‎选项:
A:
B:
C:
D:
答案: 【 

7、单选题:

‏选项:
A:
B:
C:
D: None of the above
答案: 【

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