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Ohm's Law

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

220
22 k
220 k
2.2 k

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

4.4
4
4 k
400

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Ohm's Law
Approximately how much current flows through a 3.3 M resistor across a 30 V source?

9 A
9000 A
90 A
900 A

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Ohm's Law
You are measuring the current in a circuit that is operated on an 18 V battery. The ammeter reads 40 mA. Later you notice the current has dropped to 20 mA. How much has the voltage changed?

9 V
0 V
900 mV
18 V

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Ohm's Law
What is the approximate resistance setting of a rheostat in which 650 mA of current flows with a 150 V source?

230
9.7
97
23

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Ohm's Law
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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