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In a house of three bulbs of 25 Watt each are used for 5 hours a day. calculate the unit of electricity consumed in a month of 31 days also find the total expenditure if one unit of electricity cost 2.5 rupeesplease explain step by step |
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Answer» Answer: Given, power of each bulb = 25 W, time = 5 h COST of 1 unit of electricity = Rs 2.50 ELECTRIC energy consumed by 3 bulbs in a .day = Power X Time = 3 x 25 = 375Wh Electricity consumed in 31 days = 375 x 31 = 11625 Wh =11.625kWh = 11.625 units Cost of Electricity consumed = 11.625 x 2.50 = Rs 29.06 |
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