Question

One kilowatt hour is equal to:

Options

• 3,600 kJ

• 3.6 MJ

• 3,60000 J

• both 3,600 kJ and 3.6 MJ

Answer 1

both 3,600 kJ and 3.6 MJ

Explanation:

1 kWh = 1000 W × 3600 s

= 3.6 × 10⁶ J

= 3.6 MJ

= 3600 kJ