Question

The important part of safety fuse is fuse wire.
a. Which alloy is used to make the fuse wire?
b. Write any one peculiarity of fuse wire?

Answer 1

QUESTION:-

The important part of safety fuse is fuse wire.

a. Which alloy is used to make the fuse wire?

b. Write any one peculiarity of fuse wire?

ANSWER:-

(A) Fuse wire is made of alloy of lead and tin having low melting point of 200°C.

Fuse wire are used in electric circuits to protect home appliances from damaging by huge amount amount of current. Fuse wire should be such that it melts immediately when strong current flows through the circuit. The same is possible if its melting point is low and resistivity or the resistance is high.

(B) Low melting point, low specific resistance. ... Hint- A fuse is a safety device consisting of a strip of wire that melts and breaks an Electric circuit if the current exceeds the safe value. It protects the circuit from overcurrent.

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