SOLUTION: The current (I) varies directly as the voltage (V) in an electric circuit. If the current is 4 amperes when the voltage is 100 volts, find the current when the voltage is 75 volts.
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Question 1173916: The current (I) varies directly as the voltage (V) in an electric circuit. If the current is 4 amperes when the voltage is 100 volts, find the current when the voltage is 75 volts.
Answer by Cromlix(4381) (Show Source): You can put this solution on YOUR website!
Hi,
The current (I) varies directly as the voltage (V)
I = kV
4 = k100
k = 4/100
k = 0.04
I = 0.04V
I = 0.004 x 75
I = 3 amps.
Hope this helps :-)
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