CUET and UG exam CUET UG 2025 Mock Test Series Physics Magnetism and Maxwell's Equations Induced Magnetic Fields
A current I flows in an infinitely long wire with cross section in the form of semi-circular ring of radius 1 m. The magnitude of the magnetic induction along its axis is
1
\(\frac{\mu_{0} \mathrm{I}}{2 \pi} \mathrm{~T}\)
2
\(\frac{\mu_{0} \mathrm{I}}{\pi^{2}} \mathrm{~T}\)
3
\(\frac{\mu_{0} \mathrm{I}}{4 \pi^{2}} \mathrm{~T}\)
4
\(\frac{\mu_{0} \mathrm{I}}{2 \pi^{2}} \mathrm{~T}\)