Physics, asked by shami5, 1 year ago

a fan of 60watts , 5 bulbs of 40 watts are used for 5 hours daily. calculate the energy in units for the month of February 1984

Answers

Answered by Anonymous
1
(60*5/1000) + 5(40*5/1000)
=1.3 units of electricity is used 
rate of electricity = Rs. 6 per unit
cost = 1.3*6*28
        = Rs 218.4
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