The magnetic field at the center O of the following
A. \(\frac{\mu_{0} \mathbf{I}}{4 r} \otimes\)
B. \(\frac{\mu_{0} I}{4 r} \odot\)
C. \(\frac{\mu_{0} I}{2 r} \otimes\)
D. \(\frac{\mu_{0} I}{2 r} \odot\)
Answer:A
The magnetic field at the center O of the following
A. \(\frac{\mu_{0} \mathbf{I}}{4 r} \otimes\) B. \(\frac{\mu_{0} I}{4 r} \odot\) C. \(\frac{\mu_{0} I}{2 r} \otimes\) D. \(\frac{\mu_{0} I}{2 r} \odot\)