A bar magnet of length 3 cm has a point A and B along axis at a distance of 24 cm and 48…

Physics · JEE Main · NTA Exams — Magnetic Effects of Current and Magnetism

A bar magnet of length 3 cm has a point A and B along axis at a distance of 24 cm and 48 cm on the opposite ends. Ratio of magnetic fields at these points will be

1. 8
2. 3
3. 4
4. \(1 / 2 \sqrt{2}\)

Answer

(A) 8

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