Question

define the effective length of a magnet​

Answer 1

Answer:

Length of magnet is defined as the distance between one of the magnetic poles and the centre of the magnet (ON = OS = L). Effective length is defined as the distance between the magnetic north pole and the magnetic south pole of a bar magnet (NS = 2L). Thus, the effective length is twice the length of magnet.

Explanation:

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Answer 2

Answer:

Effective Length of magnet is defined as the distance between one of the magnetic poles and the centre of the magnet.

Explanation:

It is the distance between magnetic north pole and magnetic south pole of a bar magnet.

NOTE:- Effective length of magnet is twice the length of a magnet.