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MHT CET Physics question

PhysicsMoving Charges and MagnetismMHT CET

A toroid has 1500 turns and the inner and outer radii of its core 6 cm and 8 cm respectively. The magnetic field in the core for a current of 0.5 A is 2 T. The relative permeability of core is

Answer: (C)

Solution

Mean radius cm, , ,

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Question ID VK-080599