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Question

Physics Question on Current electricity

One kilowatt hour is equal to

A

36×10−5 J36 \times 10^{-5}\, J

B

36×10−4 J36 \times 10^{-4}\, J

C

36×105 J36 \times 10^5\, J

D

36×103 J36 \times 10^3\, J

Answer

36×105 J36 \times 10^5\, J

Explanation

Solution

1 kWh=1000 Wh1\, kWh = 1000\, Wh
=(1000 W)×(3600 s)= (1000\, W) \times (3600\, s)
=36×105 J.= 36 \times 10^5\, J.