Q. One $kilowatt$ hour is equal to
A) $36 \times 10^{5}\ joules$
B) $36 \times 10^{3}\ joules$
C) $10^{3}\ joules$
D) $10^{5}\ joules$
Explanation
(a) $1\ kWh = 1000\ W \times 3600\ sec = 36 \times 10^{5}W$-$\sec{(or\ J)}$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.