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(a) Write two points of difference between electric energy and electric power. (b) Out of 60 W and 40 W lamps, which one has a higher electrical resistance when in use. (c) What is commercial unit of electric energy? Convert it into Joules.

Answer» (a) Write two points of difference between electric energy and electric power.
(b) Out of 60 W and 40 W lamps, which one has a higher electrical resistance when in use.
(c) What is commercial unit of electric energy?
Convert it into Joules.


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