Question

heater is rated at 5 kilowatt calculate the cost of energy consumed by it in 30 days if it is Run for 2 hours daily the cost of 1 kilowatt hour is price that 4.20

Answer 1

energy= p * t
              p= 5kW   and t= 30/2
                                      = 15 hrs in 30 days
              5*15= 75kWh
total cost= 75*4.20
              = 315.00 rs
therefore, the cost for the heater is 315 RS per month
  




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Answer 2

Hope it helps..
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