Sol: The correct answer is (a) 12.5 kWh
Given:
Power = 2500 W (the rating of the oven)
Time = 5 hours
Formula used:
Energy = Power × Time
Solution:
Convert power to kilowatts (kW)
2500W = 2.5kW (since 1kW=1000W)
Energy = 2.5 kW 5 hours
12.5 kWh
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