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Ohm's Law

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
Approximately how many milliamperes of current flow through a circuit with a 40 V source and 6.8 k of resistance?

590 mA
27.2 mA
59 mA
5.9 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?

9.6 V
8 V
96 V
960 V

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Ohm's Law
A resistor is connected across a 50 V source. What is the current in the resistor if the color code is red, orange, orange, silver?

21.4 mA
2.2 mA
2 mA
214 mA

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Ohm's Law
An electric heater draws 3.5 A from a 110 V source. The resistance of the heating element is approximately

38.5
31
385
3.1

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

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

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