Reactance of an inductor, of $\frac{1}{\mathrm{\pi }}$ henry at 50 Hz frequency is

• A

  $\frac{50}{\mathrm{\pi }}\text{ ohm }$

• B

  $\frac{\mathrm{\pi }}{50}\text{ ohm }$

• C

  100 ohm

• D

  50 ohm