Q. A fuse wire is__:
Answer:
an alloy of tin and lead
Notes: Electric fuse wire is an alloy made of tin (63 % & lead 37 %). The cross sectional area determines the melting point at a certain current. Alloys (e. g. tin/ lead) are used due to their ‘eutectic’ action i. e. the resulting combination of good conductivity (due to the tin) with a low melting point (due to the lead).