Frank wants to convert an iron rod into a permanent magnet He has a bar magnet and an iron - Physics - Magnetism

Question

Frank wants to convert an iron rod into a permanent magnet He
has a bar magnet and an iron rod with endsIandII,as shown in the
given figure
He wants endIof the rod to be the South Pole He knows that by
touch-stroke method, an ordinary iron bar can be changed into a
permanent magnet

Which figure represents the correct process that Frank should
adopt to change endIof the iron rod into South Pole?

Ankur · Accepted Answer

He should stroke the second end of the iron bar with the north pole
of the bar magnet again and again so that the first end of the iron
bar would become south pole