A long magnet is cut in two parts in such a way that ratio of their lengths is 2 : 1. ratio of pole

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5.Magnetism and Matter

easy

A long magnet is cut in two parts in such a way that the ratio of their lengths is $ 2 : 1. $ The ratio of pole strengths of both the section is

A

Equal

B

In the ratio of $2 : 1$

C

In the ratio of $1 : 2$

D

In the ratio of $4 : 1$

Solution

(a)Pole strength doesn’t depend upon the length.

Standard 12

Physics

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