Physics, asked by jayakumarakila13, 5 months ago

a 750 w power iron box is used for 4hours.if the cost per unit is 75 paise, total expenses is

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Answered by kvrsbhaswanth

1

Answer:

P = 750 W

T = 4 hrs

Now E = P*T = 750*4 = 3000 Wh = (3000/1000) KWh = 3KWh Ans

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