An electric refrigerator rated 400w is operated for 8 hours/day. Find the cost of energy to operate it for 30 days at rs 6 per kwh?
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400Wh×8h=3200Wh
3200Wh×30=96000Wh
96000÷1000=96units(KWh)
96×6=576/-
cost of energy to operate for 30 days is Rs.576
3200Wh×30=96000Wh
96000÷1000=96units(KWh)
96×6=576/-
cost of energy to operate for 30 days is Rs.576
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