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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?

500 V
50 V
80 V
8 V

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

340 V
1.36 V
13.6 V
34.4 V

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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
320 V
3.2 V
8 V

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

12 mA
1.2 A
12 A
120 mA

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

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

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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
2.2 k
220

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