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Ohm's Law

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

12 A
12 mA
120 mA
1.2 A

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Ohm's Law
When 12 V are applied across a 68 resistor, the current is

17.6 mA
816 mA
176 mA
8.16 mA

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Ohm's Law
A current of 200 µA through a 6.8 k resistor produces a voltage drop of

13.6 V
34.4 V
1.36 V
340 V

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Ohm's Law
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?

21.4 mA
2 mA
2.2 mA
214 mA

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Ohm's Law
The current through a flashlight bulb is 40 mA and the total battery voltage is 4.5 V. The resistance of the bulb is approximately

112
18
1.2
11.2

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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 k
4.4
400

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