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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
  • A$\frac{{IL}}{{4\pi }}$
  • B$\frac{{I{L^2}}}{{4\pi }}$
  • C$\frac{{{I^2}{L^2}}}{{4\pi }}$
  • D$\frac{{{I^2}L}}{{4\pi }}$
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