Question

a coil of wire in electrical appliances which heats up when the current flow.

Answer 1

HI mate GM here is your answer....,

When an electric current is passed through a conductor, the conductor becomes hot after some time and produces heat. This happens due to the conversion of some amount of electric energy, passing through the conductor, into heat energy. This effect of electric current is called heating effect of electric current.

I hope it will help you and mark me as a brain list answer plz.

Answer 2

any resistor will Heat up for eg nichrome tungston etc..