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

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Ohm's Law
If 750 µA is flowing through 11 k of resistance, what is the voltage drop across the resistor?

8.25 V
14.6 V
146 V
82.5 V

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

2.2 k
22 k
220 k
220

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

17.6 mA
176 mA
8.16 mA
816 mA

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Ohm's Law
If you wish to increase the amount of current in a resistor from 120 mA to 160 mA by changing the 24 V source, what should the new voltage setting be?

32 V
3.2 V
320 V
8 V

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