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  9. Q70

BPSC (Bihar PCS) 2025 · Question 70 of 145

Energy consumed in a home is 250 units then the total energy in Joule will be:

General Science

  1. A8× 106
  2. B9× 105
  3. C9 × 10⁸ joules.Correct
  4. D105

Answer: C. 9 × 10⁸ joules.

Explanation

1 unit of electricity = 1 kilowatt-hour (kWh) 1 kWh = 1000 watt × 3600 seconds = 3.6 × 10⁶ joules Energy consumed = 250 units = 250 × 3.6 × 10⁶ J = 9.0 × 10⁸ J So, the total energy = 9 × 10⁸ joules. Therefore, option (C) is the correct answer.

Source: 71st BPSC CCE Prelims 2025 (Set H)

← Q69View full paper (145 questions)Q71 →

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