Physics, asked by Pele, 1 year ago

An electric heater at 2 kW . Calculate the cost of using it for 2 h daily for the mount of sept. , if each unit costs Rs4

Answers

Answered by amber3
0
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Answered by Sharen2002
1

Electric energy consumed by heater in one day=p×t

=2kw×2h

=4kwh

Electric energy consumed by heater in one month=4×30

=120kwh(sept:30 days)

=120 units

Cost of using heater=120 ×4

=Rs.480

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