Electrical Engineering - Circuit Theorems and Conversions

Exercise :: Circuit Theorems and Conversions - General Questions

16. 

An 18 V source has an internal resistance of 70 . If a load resistance of 33 is connected to the voltage source, the load power, PL, is

A. 0 W
B. 1 W
C. 175 mW
D. 18 mW

Answer: Option B

Explanation:

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17. 

A certain voltage source has the values VS = 30 V and RS = 6 . The values for an equivalent current source are

A. 5 A, 6
B. 30 A, 6
C. 5 A, 30
D. 30 A, 5

Answer: Option A

Explanation:

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18. 

A 120 load is connected across an ideal voltage source with VS = 12 V. The voltage across the load

A. is 0 V
B. is 12 V
C. is 120 V
D. cannot be determined

Answer: Option B

Explanation:

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19. 

Find the Norton circuit, that is, IIN and RN, for the circuit given below.

A. 478 mA, 12.8
B. 750 mA, 12.8
C. 478 mA, 6.8
D. 750 mA, 6.8

Answer: Option A

Explanation:

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20. 

A 120 load is connected across a voltage source with VS = 12 V and RS = 8 . The voltage across the load is

A. 11.25 V
B. 0 V
C. 12 V
D. 1.13 V

Answer: Option A

Explanation:

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