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>>Work, Energy and Power
>>Introduction to Work
>> $1 kWh equals | Physics Questions$

Question

1 kWh equals

A

$3.6 \times 1 0^{6} J$

B

$3.6 \times 1 0^{7} J$

C

$3.6 \times 1 0^{8} J$

D

$3.6 \times 1 0^{- 6} J$

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Updated on : 2022-09-05

Solution

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Correct option is A)

1 watt is defined as 1 joule/second.

So $1 k W = 1000 W$ , and $1 h o u r = 60 \times 60 s e c o n d s$

So $1 k W h = 3600 k W s = 3, 600, 000 W s = 3, 600, 000 J$

$1 k W h = 3.6 * 10^{6} J$

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