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How many joules are in one kilowatt hour (kWh)?
A3.6 × 10^3 J
B3.6 × 10^6 J
C1 × 10^6 J
D7.46 × 10^5 J
Answer & Solution
Correct answer: B. 3.6 × 10^6 J
1 kWh is 1000 W for 3600 s, which gives 3.6 million joules.
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