1 watt = 1 amp * 1 volt
So....
In a house:
5 amps * 115 volts = 575 watts
In a car:
5 amps * 12 volts = 60 watts
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Ohms law will tell you watts equals volts times amps: 115 x 5 = 575
The current's power factor is the true power divided by the apparent power. The Apparent Power is the volts multiplied by the amps. In this example, the ratio would be 200/253, or approximately .79.
You can't compare that. Ampere is a unit of electrical current; horse power is a unit of power.
watts = volts x amps x power factor
15625 5x5x5x5x5x5=15625