Series Parallel Circuits MCQ Questions & Answers | Electrical Engineering

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Important Theory

1.
The internal resistance of a 20,000 ohm/volt voltmeter set on its 5 V range is

A. 20,000 Ω

B. 100,000 Ω

C. 200,000 Ω

D. 1,000,000 Ω

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2.
A 6 V battery output is divided down to obtain two output voltages. Three 2.2 kΩ 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

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3.
A certain voltage divider consists of three 1 kΩ resistors in series. Which of the following load resistors will have the least effect on the output voltage?

A. 1 MΩ

B. 100 kΩ

C. 1 kΩ

D. 330 Ω

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4.
A certain voltage divider consists of two 12 kΩ resistors in series. Which of the following load resistors will have the most effect on the output voltage?

A. 1 MΩ

B. 24 kΩ

C. 18 kΩ

D. 12 kΩ

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5.
Two 1.2 kΩ resistors are in series and this series combination is in parallel with a 3.3 kΩ resistor. The total resistance is

A. 138 Ω

B. 1,389 Ω

C. 5,700 Ω

D. 880 Ω

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