OHM'S LAW QUIZ

Approximately how many milliamperes of current flow through a circuit with a 40 V source and 6.8 k of resistance?

59 mA

590 mA

27.2 mA

5.9 mA

TRUE ANSWER : ?
YOUR ANSWER : ?

If 24 V are applied across a resistor and there are 10.9 mA of current, the resistance is

2.2 k

220

220 k

22 k

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How much resistance is needed to draw 17.6 mA from a 12 volt source?

680

6.8 k

212

68

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When there is 12 mA of current through a 1.2 k resistor, the voltage across the resistor is

100 V

14.4 V

10 V

1.4 V

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If you wish to increase the amount of current in a resistor from 120 mA to 160 mA by changing the 24 V source, what should the new voltage setting be?

3.2 V

32 V

320 V

8 V

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An electric heater draws 3.5 A from a 110 V source. The resistance of the heating element is approximately

3.1

31

38.5

385

TRUE ANSWER : ?
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A resistor is connected across a 50 V source. What is the current in the resistor if the color code is red, orange, orange, silver?

2.2 mA

21.4 mA

2 mA

214 mA

TRUE ANSWER : ?
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How much current is produced by a voltage of 18 kV across a 15 k resistance?

12 A

120 mA

1.2 A

12 mA

TRUE ANSWER : ?
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A resistance of 3.3 M is connected across a 500 V source. The resulting current is approximately

15.1 µA

151 µA

66 mA

660 mA

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What is the approximate filament resistance of a light bulb if it operates from a 110 V source and 0.6 A of current is flowing?

183

6.6

18.3

66

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