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/5W(C)125(A) 200 vwA 12 HP motor has to be operated 8 hours/day. How much will it cost at the rate of 50 paisalkWh in 10 days(A) Rs. 350/-(B)W(D) 98 W(B) Rs. 358/-(C) Rs. 375l-(D) Rs. 3971-

Answer»

1HP = 745.7 W12HP = 745.7×12 = 8948.4 W = 8.9484 kWIf it used 8 hours a day, energy consumed by it per day = 8.9484 kW×8h = 71.59 kWh

Total energy consumed in 10 days = 10×71.59 kWh =715.9 kWhcost = Rs. 0.50 per kWhtotal cost = 715.9× 0.50 = Rs. 357.94 ~ Rs. 358



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