Question

a) Which effect of current is utilized in the working of an electric fuse?

b) Any metal wire or metal strip cannot be used in place of fuse wire. Justify your
answer with suitable reason.​

Answer 1

Answer:

a)heating effect

b)A copper wire

Explanation:

a)which effect of electric current is utilised in the working of an electric fuse. The heating effect is used. Normally the current flows through the fuse without undue heating. But if too much current passes through, the fuse will heat and melt, thus stopping the current which could cause a fire if it was not stopped

b)A copper wire cannot be used as a fuse wire because it has a high melting point. It will not melt easily when a high electric current passes through it and may damage the electrical appliances.

Answer 2

Answer:

A) Heating effect

B) A copper wire

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