What is a fuse ?

Of what substance is a fuse wire made of?

What is a safety fuse? Explain its function.

What happens when sodium sulphate is fused with charcoal. Give equation.

(a) What current is taken by a 3 kW electric geyser working on 240 V mains ? (b) What size fuse should be used in the geyser circuit ?

What is an electric fuse made up of?

What is meant by a fused bulb ?