An electric geyser has the ratings 2000W 220V marked on it What should be the minimum rating in whole number of a fuse wire that may be required for safe use with this geyser CBSE physics class 10

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An electric geyser has the ratings 2000W, 220V marked on it. What should be the minimum rating, in whole number of a fuse wire, that may be required for safe use with this geyser?-CBSE physics class 10

An electric geyser has the ratings 2000W, 220V marked on it. What should be the minimum rating, in whole number of a fuse wire, that may be required for safe use with this geyser?


By:milan-ransingh

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Answers

Given,
w=2000
v=220
we know,
w=vi
i.e., i=w/v=2000/220=9.09A
current drawn is 9.09A
Hence the fuse wire should be at 10A for safe use with the geyser.

A fuse is nothing more than a short length of wire designed to melt and separate in the event of excessive current. Fuses are always connected in series with the component(s) to be protected from overcurrent, so that when the fuse blows (opens) it will open the entire circuit and stop current through the component(s).


prajwalamv

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