The magnetic field at the centre of a current carrying circular loop of radius R, is B 1…
Physics · Class 12 · CBSE — Moving Charges and Magnetism
The magnetic field at the centre of a current carrying circular loop of radius R, is B1. The magnetic field at a point on its axis at a distance R from the center of the loop is B2. Then the ratio \(\frac {B_1}{B_2}\) is
- \(2 \sqrt{2}\)
- \(\frac{1}{\sqrt{2}}\)
- \(\sqrt{2}\)
- 2
Answer
(A) 2 2
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