A circular loop of radius a, carrying a current I in an anticlockwise direction (when seen downwards from the positive Z-axis), is placed on the X-Y plane centered at the origin. What is the magnetic field on the X-Y plane at a distance r where r >> a?

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Physics · Magnetostatics

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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μ0 I a24 r3 in the negative Z direction

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Answer 1

μ0 I a24π r3 in the positive Z direction

Answer 2

μ0 I a24 r3 in the positive Z direction

Answer 3

μ0 I a24 r3 in the negative Z direction

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