Question

2. How does the strength of a magnet change along its length? ​

Answer 1

Explanation -

• Magnetic moment (M = M . 2l) becomes halved because, length is also halved. The pole strength of each piece when a bar magnet is cut into two equal halves perpendicular to its length is the same as the pole strength of the original bar magnet. ... A bar magnet of magnetic moment M is cut into two parts of equal length.