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Ohm's Law

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

9 A
900 A
9000 A
90 A

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

12 mA
120 mA
12 A
1.2 A

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Ohm's Law
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
960 V
96 V
8 V

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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?

18 V
9 V
900 mV
0 V

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

220
220 k
2.2 k
22 k

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Ohm's Law
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?

6.6
18.3
183
66

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