One watt hour contains how many joules?

Q. One watt hour contains how many joules?

  1. 3.6 ✕ 108 J
  2. 3.6 ✕ 102 J
  3. 3.6 ✕ 103 J
  4. 10-3 J

Answer: 3.6 ✕ 103 J

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