Question

The S.I. unit of power is
(a) Watt
(b) Joule
(c) Nm
(d) Nms

April 8, 2024

Answer

(a) Watt

Reason — The S.I. unit of power is Watt. If 1 joule of work is said to be done in 1 second, the power spent is said to be 1 watt.

💡 Some Related Questions

The figure alongside shows a simple pendulum of mass 200 g. It is displaced from the mean position A to the extreme position B. The potential energy at position A is zero. At position B the bob is raised by 5 m.
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(b) What is the total mechanical energy at point C?
(c) What is the speed of the bob at position A when released from position B ? (Take g = 10 ms^-2)

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