Electrical Engineering - Series-Parallel Circuits

Exercise :: Series-Parallel Circuits - General Questions

16. 

A 12 k resistor, a 15 k resistor, and a 22 k resistor are in series with two 10 k resistors that are in parallel. The source voltage is 75 V. Current through the 15 k resistor is approximately

A. 14 mA
B. 1.4 mA
C. 5 mA
D. 50 mA

Answer: Option B

Explanation:

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17. 

A 6 V battery output is divided down to obtain two output voltages. Three 2.2 k resistors are used to provide the two taps. The two output voltages are

A. 2 V, 4 V
B. 2 V, 2 V
C. 2 V, 6 V
D. 4 V, 6 V

Answer: Option A

Explanation:

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18. 

Two 3.3 k resistors are in series and this series combination is in parallel with a 4.7 k resistor. The voltage across one of the 3.3 k resistors is 12 V. The voltage across the 4.7 k resistor is

A. 24 V
B. 12 V
C. 0 V
D. 6 V

Answer: Option A

Explanation:

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19. 

A balanced Wheatstone bridge consists of an RV of 3,500 , an R2 of 200 , and an R3 of 680 . The value of RUNK is

A. 680
B. 1,029
C. 200
D. 880

Answer: Option B

Explanation:

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20. 

In a certain five-step R/2R ladder network, the smallest resistor value is 1 k. The largest value is

A. indeterminable
B. 2 k
C. 10 k
D. 20 k

Answer: Option B

Explanation:

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