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MHT CET Physics question

PhysicsMoving Charges and MagnetismMHT CET

Due to 10 a of current flowing in a circular coil of 10 cm radius, the magnetic field produced at its centre is . The number of turns in the coil will be

Answer: (C)

Solution

\dfrac{μ_0NI}{2r}\dfrac{2rB}{μ_0I}\dfracExtra open brace or missing close brace{2×0.1×3.14×10^{-3}$

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Question ID VK-078310