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Example 12.13 An electric refrigerator rated 400 W operates 8 hour/day. What isthe cost of the energy to operate it for 30 days at Rs 3.00 per kW h?​

Answer» ONG>Explanation:

Energy of ONE DAY =Power×Time=400W×8h=3.2KWh

Energy of 30 days =3.2KWh×30=96KWh

So, COST of the energy =96×3=Rs.288

I hope it help you



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