Mathematics · Moving Charges and Magnetism
In a long straight wire of radius 1 mm, a steady current of 2 A uniformly distributed across its cross-section is flowing. The magnetic field at a distance of 0.25 mm from the axis (centre) of the wire is:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1400 μT
- 2300 μT
- 3200 μT
- 4100 μT✓
Correct answer
100 μT
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