Question

Why it is not advisable to slide a magnet
on an iron bar back and forth during
magnetising it?

Answer 1

Explanation:

It is not advised to slide a magnet on an iron bar back and forth during magnetizing it because the magnetized domains will get demagnetized on tracing the motion back on the iron bar.

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Answer 2

Answer:

It is not advised to slide a magnet on an iron bar back and forth during magnetizing it because the magnetized domains will get demagnetized on tracing the motion back on the iron bar.

Explanation:

A Magnet's Repelling Force

Opposites attract. To explain why magnets repel each other, a north end of a magnetic will be attracted to the south of another magnetic. The north and north ends of two magnets as well as the south and south ends of two magnets will repel one another.