Magnetic field \(\rm |\vec B|\) at a point P in the following network is:
1
\(\frac{\mu_{0} {I}}{4 \pi {R}}\left(\frac{3}{2} \pi\right) \)
2
\(\frac{\mu_{0} {I}}{4 \pi {R}}\left(\frac{3}{2} \pi+2\right) \)
3
\(\frac{\mu_{0} {I}}{4 \pi {R}}\left(\frac{3}{2} \pi-2\right) \)
4
\(\frac{3}{2} \frac{\mu_{0} {I}}{{R}}\)