define power. state commercial unit and s i unit of electric energy of an electric heater of 400 W works for 2 hours . find the electrical energy units consumed in a day ?
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hi there!
Power is defined as the rate at which work is done upon an object.
S.I. Unit of electrical energy is Joule.
kwh is the commercial until of energy.
energy consumed :-
400/1000 kwh * 2 hour = 0.8 kW h
Power is defined as the rate at which work is done upon an object.
S.I. Unit of electrical energy is Joule.
kwh is the commercial until of energy.
energy consumed :-
400/1000 kwh * 2 hour = 0.8 kW h
Answered by
5
9rate of doing work is power
sI unit of power is =joule
commercial unit of energy is =kwh
energy consumed=400/1000kw*2 hour
= 0.8 kwh
sI unit of power is =joule
commercial unit of energy is =kwh
energy consumed=400/1000kw*2 hour
= 0.8 kwh
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