Pivoting of the compass needle on a sharp pin enable it to ___ .

get magnetised

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get demagnetised

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move freely

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create friction

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Solution

The correct option is C
move freely

By pivoting the compass needle on a fixed pin, the friction between the needle and the fixed pin is minimized and the compass needle can rotate freely in the magnetic field.

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Similar questions

Why should we pivot the compass needle on a sharp pin?

Explain the following :

(a) When two pins are hung by their heads from the same pole of a magnet, their pointed ends move apart.

(b) Several soft iron pins can cling, one below the other, from the pole of a magnet.

(c) The north end of a freely suspended magnetic needle gets attracted towards a piece of soft iron placed a little distance away from the needle.

A small box with a glass cover on it and a magnetized needle pivoted inside it, which can rotate freely, is called a __________.

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