SERIES PARALLEL CIRCUITS QUIZ

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

470 or 1.2 k

1.2 k

3 k

470

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YOUR ANSWER : ?

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

100%

50%

20%

25%

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A voltage divider consists of two 68 k resistors and a 24 V source. The unknown output voltage is

6 V

24 V

12 V

0 V

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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

90 mA

800 A

9 mA

900 A

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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 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

1.4 mA

5 mA

50 mA

14 mA

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The parallel combination of a 6.8 k resistor and a 10 k resistor is in series with the parallel combination of a 2.2 k resistor and a 1 k resistor. A 100 V source is connected across the circuit. The resistor(s) with the greatest voltage drop is (are)

2.2 k and 1 k

2.2 k

6.8 k

6.8 k and 10 k

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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

24

300

3000

2.4

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

1 M

24 k

12 k

18 k

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

1000000

200000

100000

20000

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YOUR ANSWER : ?

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