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Class 10 Science Medium Mcq English Medium

1 kilowatt-hour is equal to how many joules?

Question
1 kilowatt-hour is equal to how many joules?
1000 J
3600 J
3.6 x 10^6 J
3.6 x 10^3 J
Answer
3.6 x 10^6 J
Detailed Explanation
1 kWh = 1000 W x 3600 s = 3,600,000 J = 3.6 x 10^6 J.
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