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Example 12.13An 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? |
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Answer» 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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