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Ohm's Law

Ohm's Law
The formula to find I when the values of V and R are known is

I = R/V
I = VR
I = V/R
V = IR

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

9.7
230
97
23

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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

22 k
220 k
220
2.2 k

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Ohm's Law
When there is 12 mA of current through a 1.2 k resistor, the voltage across the resistor is

14.4 V
10 V
100 V
1.4 V

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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?

183
18.3
6.6
66

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