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MHT CET Physics question

PhysicsMoving Charges and MagnetismMHT CET

A toroid of core of inner radius 0.25 m and outer radius 0.26 m around which 3500 turns of a wire are wound. If the current in the wire is 11 A, then magnetic field inside the core of the toroid is

Answer: (B)

Solution

With mean radius m, \frac{μ_0NI}${2π

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Question ID VK-078806