series parallel circuits MCQs – Page 2

Practise focused series parallel circuits questions with marked answers for exam preparation and subject revision.

series parallel circuits Mcqs
21. 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___________?
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A. 2 V, 4 V

B. 2 V, 6 V

C. 4 V, 6 V

D. 2 V, 2 V

22. The internal resistance of a 20,000 ohm/volt voltmeter set on its 5 V range is_____________?
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A. 20,000 ?

B. 200,000 ?

C. 1,000,000 ?

D. 100,000 ?
23. When a Wheatstone bridge is in a balanced condition, the center voltmeter in the bridge will read_____________?
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A. the same as the source voltage

B. twice the source voltage

C. zero volts

D. half the source voltage

24. The first goal to accomplish in analyzing a complex series-parallel circuit is to____________?
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A. equate all series components

B. equate all parallel components

C. solve for the total current and resistance

D. solve for all the voltage drops

25. Two 1.2 k? resistors are in series and this series combination is in parallel with a 3.3 k? resistor. The total resistance is____________?
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A. 5,700 ?

B. 138 ?

C. 880 ?

D. 1,389 ?
26. 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____________?
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A. 680 ?

B. 880 ?

C. 1,029 ?

D. 200 ?

27. 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___________?
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A. 5 mA

B. 1.4 mA

C. 14 mA

D. 50 mA

28. On which of the following voltage range settings will a voltmeter present the minimum load on a circuit?
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A. 500 V

B. 1,000 V

C. 50 V

D. 1 V

29. A certain circuit is composed of two parallel resistors. The total resistance is 1,403 ?. One of the resistors is 2 k?. The other resistor value is____________?
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A. 4.7 k?

B. 1,403 ?

C. 2 k?

D. 3,403 ?