A wire of length L metre carrying a current of I ampere is bent in the form of a circle…
Physics · JEE Advanced · NTA Exams — Magnetic Effects of Current and Magnetism
A wire of length L metre carrying a current of I ampere is bent in the form of a circle. Its magnitude of magnetic moment will be
- \(\frac{\mathrm{IL}}{4 \pi}\)
- \(\frac{\mathrm{IL}^{2}}{4 \pi}\)
- \(\frac{\mathrm{I}^{2} \mathrm{~L}^{2}}{4 \pi}\)
- \(\frac{\mathrm{I}^{2} \mathrm{~L}}{4 \pi}\)
Answer
(B) IL ^ 2 4
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