Complete the sentence :
A fuse is a short piece of wire of high _ and of material of low __.

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Solution

An electric fuse is a safety device which works on the heating effect of current.
When the current exceeds a specified rating, the wire melts, thereby cutting off the electricity supply to our devices, and keeping them safe from damage.
For this the fuse wire must have high resistance and of material low melting point.

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Name the material of a fuse wire.

Complete the following sentences :

(a) A fuse is a short piece of wire of high ___ and of the material of low ___.

(b) A fuse wire is made of an alloy of ___ and ___ if the current in a circuit exceeds the current rating of the fuse wire, it ___.

(d) Higher the current rating, ___ is the fuse wire.

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