Question

An electric kettle consumes 1 kw of electric power when operated at 220 v. a fuse wire of what rating must be used for it?

Answer 1

A rating of 5A fuse wire must be used for it.

Answer 2

Answer:

given:-p = 1 K W which is=1000W

V=220V

Now P=VI

therefore I = P/V

I=1000/220= 4.5A

therefore the rating must be either 4.5A or 5A.

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