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← Electric Current and Its Effects
GK QUESTION#2953

A 60 W electric lamp is used for 5 hours daily. How much energy (in ‘units’) will it consume in 30 days?

  1. A97 units
  2. B35 units
  3. C0.3 units
  4. D9 unitsCorrect answer
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Answer

D. 9 units

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Explanation

The lamp uses 0.060 kW × 5 h/day × 30 days = 9 kWh. One commercial unit of electrical energy is one kilowatt-hour.

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