A current I flows through a long straight conductor which is bent into a circular loop of…

Physics · Class 12 · CBSE — Moving Charges and Magnetism

1. Zero
2. \(\frac{\mu_0 \mathrm{I}}{2 \mathrm{R}}(1+\pi)\)
3. \(\frac{\mu_0 \mathrm{I}}{4 \pi \mathrm{R}}\)
4. \(\frac{\mu_0 \mathrm{I}}{2 \mathrm{R}}\left(1-\frac{1}{\pi}\right)\)

Answer

(D) _0 I 2 R (1- 1 )

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