Magnetic fields at two points on the axis of a circular coil at a distance of 0.05 m and…
Physics · NEET · NTA Exams — Magnetic Effects of Current and Magnetism
Magnetic fields at two points on the axis of a circular coil at a distance of 0.05 m and 0.2 m from the centre are in the ratio 8 : 1. The radius of the coil is:
- 1.0 m
- 0.1 m
- 0.15 m
- 0.2 m
Answer
(B) 0.1 m
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