Answer :
Final answer:
The electrical energy utilized can be calculated using the formula E = Pt, where E is the energy in kilowatt-hours (kWh), P is the power in kilowatts (kW), and t is the time in hours. In this case, the power is 1000 W, which is equal to 1 kW, and the time is 5 hours per day for 20 days. The correct answer is (a) 100 kWh.
Explanation:
The electrical energy utilized can be calculated using the formula E = Pt, where E is the energy in kilowatt-hours (kWh), P is the power in kilowatts (kW), and t is the time in hours. In this case, the power is 1000 W, which is equal to 1 kW, and the time is 5 hours per day for 20 days.
Calculating E = (1 kW)(5 h/day)(20 days) = 100 kWh. Therefore, the correct answer is (a) 100 kWh.
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