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Question

Question: One kilowatt hour is equal to...

One kilowatt hour is equal to

A

36×105joules36 \times 10^{5}joules

B

36×103joules36 \times 10^{3}joules

C

103joules10^{3}joules

D

105joules10^{5}joules

Answer

36×105joules36 \times 10^{5}joules

Explanation

Solution

1 kWh = 1000 W × 3600 sec = 36 × 105 W-sec (or J)