Question

choose the correct option.​

Answer 1

Answer:

(b) 0.12 m is the answer.

Explanation:

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Answer 2

Answer:

answer is 0. 1

option (a)

Explanation:

The Magnetic length is the distance between the two poles of the magnet. and the geometric length is the actual length of the magnet. When the poles are stronger than the magnetic poles are not exactly at the ends but somewhere near the ends. The magnetic length is the 5/6 times of the geometric length