Question

One kilowatt hour is equal to ______.

Options

• 1000 J

• 10,000 J

• 3.6 × 10³ J

• 3.6 × 10⁶ J

Answer 1

One kilowatt hour is equal to 3.6 × 10⁶ J.

Explanation:

One kilowatt hour = $$1000\mathrm{W} \times 3600\mathrm{s}$$

$$= 3.6 \times 10^6\mathrm{J}$$