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Ohm's Law

Ohm's Law
How much voltage is needed to produce 2.5 A of current through a 200 resistor?

50 V
80 V
500 V
8 V

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

176 mA
17.6 mA
816 mA
8.16 mA

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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?

960 V
96 V
9.6 V
8 V

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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
400
4.4
4 k

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

2.2 k
22 k
33 k
3.3 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
183
18.3
66

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