Physics, asked by mansukhsingh01, 2 days ago

An electric refrigerator rated 400 W operates 8 hours/day, 4 tubelights
rated 40 W operate 6 hours/day and a TV set rated 250 W operates
4 hours/day. What is the cost of energy to operate them for the month
of November at the rate of 5.00 per kWh?

Answers

Answered by geetarun2005
0

Answer:

Energy of one day =Power×Time=400W×8h=3.2KWh

Energy of 30 days =3.2KWh×30=96KWh

So, cost of the energy =96×3=Rs.288

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