What is the kilowatt rating of an electric furnace rated at 240 volts and 30 amps?
A) 240 V × 30 A = 600 W, which is 60 kW
B) 240 V × 30 A = 80 W, which is 8 kW
C) 240 V × 30 A = 7,200 W, which is 72kW
D) kilowatts cannot be calculated using only volts and amps
C
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