Question

which of the following methods is used to magnetize a magnetic substance without touching it by a magnet?​A. single touch
B.double touch
C.using electric current
D.by induction

Answer 1

Answer:

This method involves simply placing the magnetic material (soft iron) close to a strong magnet without touching. The soft iron bar becomes an induced magnet with the end nearer the magnet having opposite polarity to that of the magnet. Hence, the soft iron bar is attracted and attached to the permanent magnet.

Explanation:

Answer 2

Answer:

by induction .........

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