Two similar bar magnets P and Q, each of magnetic moment M, are taken. If P is cut along its axial line and Q is cut along its equatorial line, all the four pieces obtained have

(a) Equal pole strength          (b) Magnetic moment M/4

(c) Magnetic moment M/2      (d) Magnetic moment M

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Concept Questions :-

Bar magnet

If pole strength, magnetic moment and length of each part are m', M' and L' respectively then

Difficulty Level:

• 21%
• 17%
• 56%
• 8%