Question

Calculate electric energy consumed when 3bulbs of 100 W,2 fans of 60 W, television of 100 W is used 6 hours daily in a month of 30 days. If electric energy cost rs 3 per unit, calculate complete expenditure for that month

Answer 1

1 unit electrical energy = 1 kWh

electric energy = Pt

                         = (300+120+100)*180

                         =93600 Ws=936 kWh

                         =936 units

cost=Rs 2808

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