Induction

The material to be magnetized such as an iron nail is attached to a bar magnet for some period of time. After some time, some pins are brought close to the iron nails.

Observation:

It is seen that the pins become attracted to the iron nails.

Discussion:

The iron nails is now behaving like a magnet as a result of its attachment to the bar magnet.

Conclusion:

Magnet can also be made by induction.