Electrical Engineering - Series-Parallel Circuits

Exercise :: Series-Parallel Circuits - General Questions

6. 

Three 10 k resistors are connected in series. A 20 k resistor is connected in parallel across one of the 10 k resistors. The voltage source is 24 V. The total current in the circuit is

A. 900 A
B. 9 mA
C. 90 mA
D. 800 A

Answer: Option A

Explanation:

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7. 

A certain voltage divider consists of three 1 k resistors in series. Which of the following load resistors will have the least effect on the output voltage?

A. 1 M
B. 100 k
C. 1 k
D. 330

Answer: Option A

Explanation:

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8. 

The parallel combination of a 470 resistor and a 1.5 k resistor is in series with the parallel combination of five 1 k resistors. The source voltage is 50 V. The percentage of the load current through any single 1 k resistor is

A. 25%
B. 20%
C. 100%
D. 50%

Answer: Option B

Explanation:

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9. 

A certain Wheatstone bridge has the following resistor values: R1 = 10 k, R2 = 720 , and R4 = 2.4 k. The unknown resistance is

A. 24
B. 2.4
C. 300
D. 3,000

Answer: Option D

Explanation:

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10. 

On which of the following voltage range settings will a voltmeter present the minimum load on a circuit?

A. 1 V
B. 50 V
C. 500 V
D. 1,000 V

Answer: Option D

Explanation:

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