OHM'S LAW QUIZ

How much resistance is required to limit the current from a 12 V battery to 3.6 mA?

33 k

22 k

2.2 k

3.3 k

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When 12 V are applied across a 68 resistor, the current is

8.16 mA

816 mA

17.6 mA

176 mA

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What is the approximate resistance of a rheostat if the voltage source is 18 V and the current is 220 mA?

8.2

820

8.2 k

82

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

12 A

12 mA

1.2 A

120 mA

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

27.2 mA

59 mA

590 mA

5.9 mA

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Four amperes of current are measured through a 24 resistor connected across a voltage source. How much voltage does the source produce?

9.6 V

8 V

96 V

960 V

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

680

68

6.8 k

212

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What is the voltage source for a circuit carrying 2 A of current through a 36 resistor?

1.8 V

72 V

18 V

7.2 V

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Twelve volts are applied across a resistor. A current of 3 mA is measured. What is the value of the resistor?

4

400

4.4

4 k

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If 750 µA is flowing through 11 k of resistance, what is the voltage drop across the resistor?

8.25 V

146 V

82.5 V

14.6 V

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