NEET and AIPMT NEET Physics Magnetism and Matter MCQ Questions Solved


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(1)

B=μ04π2Mr3B'=μ04πM8r3B'=B16

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The magnetic field at a point x on the axis of a small bar magnet is equal to the field at a point y on the equator of the same magnet. The ratio of the distances of x and y from the centre of the magnet is
(a) 2-3

(b) 2-13

(c) 23

(d) 213

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