Question

One kilowatt hour is equal to _______.

• A. $36\times {10}^{3}joule$
• B. $36\times {10}^{6}joule$
• C. ${10}^{3}joule$
• D. ${10}^{5}joule$

Answer 1

The correct option is B $36\times {10}^{6}joule$

One kiloWatt hr is 36000000 joules.

1 kWh = 36000000 J = $36\times {10}^6$ J