Define 1 Watt of power. A lamp consumes 1000 J of electrical energy in 10s. Calculate its power

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Ankit Agarwal · Answer 1 · 2018-03-13T02:32:03+0000

A body is said to have power of 1 watt if it does work at the rate of 1 joule in 1 s,

i.e., 1W=1J/1s

Power is given by the expression,

Power=Work done /Time

Work done = Energy consumed by the lamp = 1000 J

Power=1000 / 10 = 100 Js⁻¹

= 100 W