The commercial unit of electrical energy is kWh. 1 kWh equals how many joules?

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1 kWh = 1000 W × 3600 s = 3,600,000 J = 3.6 × 10⁶ J. This is a standard conversion. Power (watt) × time (hour) gives energy. 1 watt = 1 J/s. Remember this for electricity bills.

The commercial unit of electrical energy is kWh. 1 kWh equals how many joules? MCQ with Answer and Explanation

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