Question

An electric refrigerator rated 400W and an electric bulb rated 100W. Operates 10 hours day. What is the cost of the energy to operate it for 10 days at Rs 8.00 per kWh?

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Answer 1

Answer:

refers to the attachment

how can anyone left such a nice person

uk what my 2 friends also left me *school friend*

Answer 2

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