Physicseasy · Past Paper
One kilowatt-hour (1 kWh) is equal to how many Joules?
A3.6 x 10^3 J
B3.6 x 10^6 J
C1000 J
D3600 J
✓ Correct Answer: B — 3.6 x 10^6 J
1 kWh = 1000W * 3600s = 3,600,000 Joules.
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