Question

$1kWh =$

• A. (a) $1000W$
• A. (b) $36 \times 10^{5}J$
• A. (c) $1000J$
• A. (d) $3600J$

Answer 1

(b)

Sol. $1kWh = 1 \times 10^{3} \times 3600W \times \sec = 36 \times 10^{5}J$