SOLUTION: Write this statement out as an equation and solve. The power (P) required to run a motor is equal to the voltage (E) applied to that motor times the current (I) supplied to the m

Question 625924: Write this statement out as an equation and solve.
The power (P) required to run a motor is equal to the voltage (E) applied to that motor times the current (I) supplied to the motor. If the motor data says the motor uses 180 watts of power and the voltage applied to the motor is 120 volts, how much current will the motor require?

Answer by Theo(13342) (Show Source): You can put this solution on YOUR website!
P = E*I
P is power measured in watts
E is voltage measured in volts
I is current measured in amps.
motor data says 180 watts of power are being used and the voltage being applied is 120 volts.
substitute for P and E in the equation to get:
P = E*I becomes:
180 = 120*I
divide both sides of this equation by 120 to get:
180 / 120 = I
this makes I = 180/120 = 3/2 amps = 1.5 amps.
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