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What is the formula for the magnetic field at a point on the axis of a circular current loop?

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MCQ_SA

Single Answer MCQ

Q-00085430

B = (μ₀ I R²) / (2 (R² + x²)^(3/2))

B = (μ₀ I) / (2πr)

B = (μ₀ I) / (4πr²)

B = (μ₀ I) / (4πr)

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