why can't the fuse be repaced by an connecting copper wire

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Solution

A fuse wire needs to be of high resistance and should have a low melting point.
A copper wire has neither of these properties.

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Describe with the aid of a diagram some form of a fuse which is used in the electric lighting circuit of a house. Give two reasons why a fuse must not be replaced by an ordinary copper wire.

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Q. Question 32
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why can't the fuse be repaced by an connecting copper wire

A fuse wire needs to be of high resistance and should have a low melting point.A copper wire has neither of these properties.

A fuse wire needs to be of high resistance and should have a low melting point.
A copper wire has neither of these properties.