Question

IB exams

For safety, the fuse wire used in the mains for household supply of electricity must be made of metal having.....

Answer 1

The fuse wire wire usedin the mains for household supply of electricity must be made of metal having low melting point.

Answer 2

For safety, the fuse wire used in the mains for household supply of electricity must be made of metal having Low Melting Point

Explanation:

The fuse wire is made up to metals like as tin, lead, or zinc. These metals have low melting point.

Whenever a high current flows through the circuit either due to  short circuit or overloading, the wires gets heated up and melts. Thus, the circuit is broken and current stops flowing. In this way the fuse prevents the appliances from getting damaged due to overflow of current.

Hope this answer is helpful.

Know More:

Q: Why a fuse is connected in series or in parallel in an electric current?

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