An electric heater draws a current of 10 A from a 220 V supply. What i – InterviewSolution

1.

An electric heater draws a current of 10 A from a 220 V supply. What is the cost of using the heater5 hours per day for 30 days if the cost of I unit is 2.5040.

Answer»

P=VI= 220*10= 2200

E=P*T=2200*5= 11 KWH

11*30 = 330330* 2.50= RS.825

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