What is the kilowatt rating of an electric furnace rated at 240 V and 30 A?
A) 240 V × 30 A = 7,200 W, which is 72 kW
B) 240 V/30 A = 8 kW
C) 240 V × 30 A = 7,200 W, which is 7.2 kW
D) Kilowatts cannot be calculated using only volts and amps.
C
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