Question

A rectangular piece of iron can be magnetized by running it with ?

Options
A.A magnet from one end to the other end several times using both the poles alternatively.
B.A magnet from one end to the other end several times using same pole of the magnet.
C.Another piece of iron several times.
D.The back of the pencil several times.

Answer 1

the correct ans is


option B . A magnet from one end to the other end several times using the same pole of the magnet



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please

Answer 2

Answer :

option ( b )

A magnet from one end to the other end several times using same  pole of the magnet.