Define electric power and derive an expression for power in terms of potential difference V and current I
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Answer:Elecrtic power:It is the rate of doing work by an energy source or the rate at which electric energy is dissipated is called electric power. (b) it means,the maximum current will flow through it is only 2A. ... Current drawn, I=p/v =1000/220 =50/11=4.54A. To run electric iron of 1kw,rated fuse of 5A should be used.
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