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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
9000 A
900 A
90 A

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

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

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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?

8 V
32 V
320 V
3.2 V

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

1.2 A
120 mA
12 mA
12 A

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

80 V
50 V
500 V
8 V

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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

100 V
10 V
1.4 V
14.4 V

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