How much time will be required to perform 520 J of work at the rate of 20 W?         (a) 24s         (b) 16s         (c) 20 s         (d) 26 s

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Muskan Anand

1 year ago

Correct option is D) We know that, Power×time=Work done ⇒   time=PowerWork done​=520​/20=26s

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