In an electrical circuit, the voltage across a resistor is directly proportional to the current (amps) running through the resistor. If a current of 12 amps produced 480 amps volts across a resistor, how many volts would a current of 1.5amps produce across an identical resistor?

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Guest

6 July, 20:59

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Senior · Answer 1

Since it's the same resistor so R is constant

R = V/I = 480/12=40

when I = 1.5, V/1.5 = 40, V = 1.5 x 40 = 60 v