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A lamp consumes 1000 J of electrical energy in 10 s. What is its power?

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A lamp consumes 1000 J of electrical energy in 10 s. What is its power?

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1 Answer

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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

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