Question

what is the function of an electric fuse❓ name the material used for making fuse❓ in household circuit, where is fuse connected❓

Answer 1

· (i) Electric fuse is a device which acts as a circuit breaker and prevents electrical appliances from being damaged. It is generally composed two main parts; an alloy wire (typically tin and copper) which is thin and has a low melting point and an insulated outer casing of ceramic, fibre glass, plastic etc.

Answer 2

The fuse protects the appliance from getting damaged.

It also prevents electric fire .

The fuse is a safety device which limits the amount of current flowing in the circuit .

The material of the electric fuse is made up of an alloy of lead and tin .

The fuse is connected in the "live wire" .

Details :

It is made up of a material which has low melting point.

This will overheat them and make them melt easily.

Thus the fuse can easily break the circuit and save it if there is any excess current flowing in the circuit.

Explanation

The fuse is generally made up of thin piece of wire so that it offers more resistance and it can melt easily.

Thus the fuse works in the heating effect of current.

H = I²Rt

H = heat .

I = Current .

R = resistance .

t = time