A refrigerator has a power rating of 150W. If it operates continuously for 24 hours, how much energy does it consume?
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To calculate the energy, we can use the formula E = P × t, where E is the energy, P is the power, and t is the time.
Plugging in the given values, we get E = 150W × 24h = 3,600Wh or 3.6 kWh.