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MHT CET 2026 Physics question

PhysicsMoving Charges and MagnetismMHT CET 2026

A circular loop of radius R is carrying current I. The ratio of magnetic field at the center of circular loop and at a distance R from the center of the loop on its axis is

Answer: (C)

Solution

At the centre, . On the axis at distance , . For : . Therefore

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Question ID VK-099006