# 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

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 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%

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 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