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Question

The unit of power is:


  1. Watt
  2. Joule
  3. Kilo joule
  4. Watt per second

A
Joule
B
Watt per second
C
Kilo joule
D
Watt
Solution
Verified by Toppr

The rate at which work is done is defined as power. If 1Joule of work is done in one second then power is taken to be 1 Watt.
P = work donetime taken
Power is a scalar quantity.

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