1.

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

Answer»

Acopper wirecannot be used as afuse wire becauseit has a high melting point. It willnotmelt easily when a high electric current passes through it andmaydamagetheelectrical appliances. Theresulting damage is going to be a lot more expensive than areplacement fusewould be.

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