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A house has 3 tube lights of 20 watts each, On the average, all the tube lights are kept on for five hours. Find the energy consumed in 130 days. |
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Answer» Solution :NUMBER of TUBE lights =3 Wattge = 20 watts each CONSUMED hours = 5 hrs Energy `= (3 XX 20 xx5)/(1000)` `= (300)/(1000)` KWH = 0.3 KWH Consumed energy for 30 days `= 0.3 xx 30 = 9` KWH (or) 9 units. |
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