A long cylindrical conductor of radius R carries a uniform constant current. Which statement correctly describes the variation of the magnitude of the magnetic field B with distance d from the centre of the conductor?

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Physics · Moving Charges and Magnetism

Verified Solution4 OptionsUpdated: October 2026👁️1 View

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B increases linearly with d for d R

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Answer 1

B increases linearly with d for d R

Answer 2

B is zero for d R

Answer 3

B increases linearly with d for d R

Answer 4

B is constant for d R

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