Q: The commercial unit of electrical energy is kilowatt-hour (kWh), which is equal to
(a)3·6 × 10⁶ J
(b)3·6 × 10³ J
(c)10³ J
(d)1 J
Correct Answer: (c)
The correct answer is (c) '10³ J'. This question from the Science & Technology domain tests knowledge of Physics.