A circular loop A of radius R carries a current I. Another circular loop B of radius r (=…
Physics · Class 12 · CBSE — Moving Charges and Magnetism
A circular loop A of radius R carries a current I. Another circular loop B of radius \(r\left(=\frac{R}{20}\right)\) is placed concentrically in the plane of \(A\) . The magnetic flux linked with loop B is proportional to
- R
- \(\sqrt{{R}}\)
- \({R}^{\frac{3}{2}}\)
- \({R}^{2}\)
Answer
(A) R
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