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Moving Charges and Magnetism

Section: Physics

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Question : 5

Total: 11

A long straight rod of diameter 4 mm carries a steady current ' i '. The current is uniformly distributed across its cross-section. The ratio of the magnetic fields at distances 1 mm and 4 mm from the axis of the rod is

[TG EAPCET 10 May 2024 Shift 1]

1:2
1:4
4:1
1:1

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