alleryStart learning →A 1 kW heater is on for 20 min in each of 3 hours. Energy used?
A1 kWh
B0.33 kWh
C3 kWh
D0.5 kWh
Answer & Solution
Correct answer: A. 1 kWh
Three periods of twenty minutes total one hour of operation, so the heater uses 1 kWh.
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