In a house 4 tube light of 50 watts each and three fans of 100watts each for 10 hours per day are used A water pump of 1 Horse power run for everyday Find out the consumption of electric energy in kwh per month ( 30 days)
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Power of tube light =200W
Power of fans =300W
Power of tube light +Power of fans =200+300
= 500W
For 10 house
500 × 10 = 5000W
Power of pump = 746W
Total power = 5000 + 746
= 5746W
Energy consumed = Total power × total time /1000
= 5746 ×30/1000
= 172.38 kilowatt -hour or unit
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