$A$ current of $\left(\frac{2}{\sqrt{3}}\right) \text{ A}$ produces a deflection of $60^{\circ}$ in a tangent galvanometer. The reduction factor is:

  • A
    $\left(\frac{2}{\sqrt{3}}\right) \text{ A}$
  • B
    $\left(\frac{2}{3}\right) \text{ A}$
  • C
    $2 \text{ A}$
  • D
    $\left(\frac{3}{2}\right) \text{ A}$

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