Question

Define 1W electric power. What is the practical unit of electrical energy ? show that 1 unit of
electrical energy = 3.6 * 106 joule.
Type Questions :
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Answer 1

Explanation:

When 1 Joule of work is done in one second then the power comes out is 1 Watt.

The practical unit of electrical energy is UNIT or kilowatt per hour ( kWh).

1 kWh = 1 kW × 1 hour

= 1000 W × 3600 sec

= 3600000 joule

= 3.6 × 10^6 Joule

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