Question : The method of magnetisation is:
Option 1: hammering a magnet
Option 2: heating magnet
Option 3: passing direct current through it
Option 4: passing alternating current through it
Correct Answer: passing direct current through it
Solution : The correct option is passing direct current through it.
The magnetisation of a material can be attained by either exposing it to a magnetic field or passing an electric current through it. This method is often employed to create electromagnets, which allow for control of the magnetic field by adjusting the current flowing through the coil.
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