Magnetic Effects of Electric Current

An electromagnet can attract _____.

The material used for making electromagnets is _____ (iron/copper).

The magnetic strength of a conductor decreases with the increase in current.

Electromagnets are used to make permanent magnets.

Fuse wire has a low electric resistance.

The strength of the magnetic field of a current-carrying coil depends on the number of turns in the coil. 

Mention two uses of electromagnets.

How is the magnitude of the magnetic field of an electromagnet enhanced?

What is an electromagnet? How is it formed?

Electromagnets are used in

With the help of a diagram, show the working of an electric bell.

How will you make an electromagnet in the laboratory?