SERIES PARALLEL CIRCUITS QUIZ

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

500 V

1 V

50 V

1,000 V

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

2.4

300

24

3000

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The parallel combination of a 470 resistor and a 1.2 k resistor is in series with the parallel combination of three 3 k resistors. A 200 V source is connected across the circuit. The resistor with the most current has a value of

3 k

470 or 1.2 k

1.2 k

470

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The parallel combination of a 470 resistor and a 680 resistor is in series with the parallel combination of four 2 k resistors. The total resistance is

1650

778

1078

77.8

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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

680

880

1029

200

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

indeterminable

2 k

20 k

10 k

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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

9 mA

90 mA

900 A

800 A

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The output of a certain voltage divider is 12 V with no load. When a load is connected, the output voltage

becomes zero

remains the same

decreases

increases

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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

2 V, 4 V

2 V, 2 V

2 V, 6 V

4 V, 6 V

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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

4.7 k

1403

2 k

3403

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