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    Question

    If the price of 1 unit of electricity is Rs 10 then

    calculate the cost of running a tractor of 20 HP having electric motor having 100% efficiency in 100 working hours
    A 20000 Correct Answer Incorrect Answer
    B 10000 Correct Answer Incorrect Answer
    C 15000 Correct Answer Incorrect Answer
    D 14,920 Correct Answer Incorrect Answer
    E None of them Correct Answer Incorrect Answer

    Solution

    Horsepower (HP) to Kilowatts (kW): 1 HP = 0.746 kW Therefore, 20 HP = 20 ├Ч 0.746 = 14.92 kW Power Consumption for 100 Hours: Power consumed = Power (in kW) ├Ч Time (in hours) = 14.92 kW ├Ч 100 hours = 1,492 kWh Cost Calculation: Cost = Power consumed (in kWh) ├Ч Price per unit = 1,492 kWh ├Ч тВ╣10 = тВ╣14,920

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