Question

Complete the sentence :
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 ______.

Answer 1

An electric fuse is a safety device which works on the heating effect of current.
When the current exceeds a specified rating, the wire cuts off the electricity supply to our devices.
To achieve this a fuse wire is made of an alloy of lead and tin. If the current in a circuit exceeds the current rating of the fuse wire it melts.