MHT CET Physics question

PhysicsMagnetism and MatterMHT CET

Not in JEE Advanced syllabus

Two magnets having magnetic moments and respectively are kept coaxial with likes poles facing each other. The distance between their centres is 30 cm. locate the position of a point along the same axis and in between the magnets where magnetic induction due to each has same magnitude :

Answer: (A)

Solution

With the point at distance from the first magnet, gives , so m from the first

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Question ID VK-080404