Question

An electric iron of 250 watt, an electric toaster of 500 watt and a washing machine of 700 watt is used for 4 hours a day. Calculate the energy consumed per day.​

Answer 1

Answer:

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Explanation:

5.8 kj=5800 joules

we know power=work/time

power=250 watt+500 watt+700 watt=1450 watts

but time is in hours so,

1450watt=1.45 kwh

1.45 kwh×8=5.8 kj

hence it proved