Physics PYQ 206 of 288 · Electricity

The wire generally used for installation of safety fuse is made of which material?

  1. ATin
  2. BLead
  3. CNickel
  4. DAn alloy of tin and lead

46th BPSC Prelims 2004

Show answer and explanation

Correct answer: (d) An alloy of tin and lead

Explanation

Fuse wire is made of an alloy of tin and lead. It has a low melting point and suitable resistance.

When too much current flows, the wire heats up, melts and breaks the circuit, protecting the appliances.

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