Question

An electric kettle of 500 watts is used to heat water everyday for 2hours. Calculate the number of units of electrical energy consumed by it in 10 days.

Answer 1

Given,
power used by electric kettle= 500watts=0.5kw
1 unit= 1Kwh
so, 0.5*2=1.0kwh
Powers used for 10 days= 1*10=10units


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