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a chemical heater is 220v of supply and takes a current of 5a what is the cost of using heater for 50 h when 1 kWh is rs 1.50 ?? |
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Answer» USING P=VI p=220×5=1100 w 2-total ENERGY CONSUMED in 50 hrs E=p×t (1100/1000)×50=50Kwh So COST will be ▶55×1.50 =82.50 |
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