An electric fan rated 200 Watt operators 16 hour/ day. what is the cost of the energy Rs 5.00 per KWH?
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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
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