Home PYQs UPPSC UPPSC MCQs Prelims 2009 (GS Paper I)

Question

One kilowatt-hour equals:

  1. 3.6 × 106 J
  2. 3.6 × 103 J
  3. 103 J
  4. 105 J

Answer:

Option A: 3.6 × 106 J

Detailed Solution:

The correct answer is “3.6 × 106 J”.

One kilowatt-hour (kWh) is equal to 3.6 × 106 joules (J)

A joule (J) is the SI unit of energy or work. It's defined as the amount of work done when a force of one newton moves an object one meter in the direction of the force.