omariasimms3222 omariasimms3222

23-01-2024
Physics

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A coil having n turns is wound tightly in the form of a spiral with inner and outer radii 'a' and 'b' respectively. Find the magnetic field at the center when a current I passes through the coil:
A) (μ₀nI)/(2πa)
B) (μ₀nI)/(2πb)
C) (μ₀nI)/(π(a² + b²))
D) (μ₀nI)/(π(a + b))

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