A wire of length I meter carrying a current of I ampere is bent in the form of a circle. Its magnitude of the magnetic moment will be ______.
A. \(\frac{\mathrm{IL}}{4 \pi}\)
B. \(\frac{\mathrm{IL}^{2}}{4 \pi}\)
C. \(\frac{\mathrm{I}^{2} \mathrm{~L}^{2}}{4 \pi}\)
D. \(\frac{\mathrm{I}^{2} \mathrm{~L}}{4 \pi}\)
Answer:B
A wire of length I meter carrying a current of I ampere is bent in the form of a circle. Its magnitude of the magnetic moment will be ______.
A. \(\frac{\mathrm{IL}}{4 \pi}\) B. \(\frac{\mathrm{IL}^{2}}{4 \pi}\) C. \(\frac{\mathrm{I}^{2} \mathrm{~L}^{2}}{4 \pi}\) D. \(\frac{\mathrm{I}^{2} \mathrm{~L}}{4 \pi}\)