What is the magnetic field at the center of a circular coil of radius r₂ carrying current I₂? - ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENTS Quiz | GKFix.in

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Question

What is the magnetic field at the center of a circular coil of radius r₂ carrying current I₂?

A. B = µ₀I₂/(2πr₂)
B. B = µ₀I₂/r₂
C. B = µ₀I₂/(2r₂)
D. B = µ₀I₂²/(2r₂)

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