SERIES PARALLEL CIRCUITS

Series Parallel Circuits
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

900 A

800 A

9 mA

90 mA

900 A

800 A

9 mA

90 mA

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Series Parallel Circuits
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?

100 k

330

1 k

1 M

100 k

330

1 k

1 M

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Series Parallel Circuits
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

20%

100%

50%

25%

20%

100%

50%

25%

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Series Parallel Circuits
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

2.4

3000

24

300

2.4

3000

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

50 V

1 V

500 V

1,000 V

50 V

1 V

500 V

1,000 V

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