$A$ circular coil of radius $10 \text{ cm}$ and $100$ turns carries a current of $1 \text{ A}$. What is the magnetic moment of the coil?

  • A
    $3.142 \times 10^{4} \text{ A m}^{2}$
  • B
    $10^{4} \text{ A m}^{2}$
  • C
    $3.142 \text{ A m}^{2}$
  • D
    $3 \text{ A m}^{2}$

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