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An electric heater is rated 1500 W. How much energy does it use in 10 hours?
An electric heater is rated 1500 W. How much energy does it use in 10 hours?
Updated On: Jan 19, 2026
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Solution and Explanation
Given:
Power of heater, \( P = 1500 \, \text{W} = 1.5 \, \text{kW} \)
Time, \( t = 10 \, \text{hours} \)
Formula:
Energy consumed, \( E = P \times t \)
Calculation:
\[ E = 1.5 \times 10 = 15 \, \text{kWh} \]
Answer:
The electric heater uses 15 kWh of energy in 10 hours.
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