Q. The inductive reactance of an inductor of $\frac{1}{\pi}henry$ at $50\ Hz$ frequency is
A) $\frac{50}{\pi}ohm$
B) $\frac{\pi}{50}ohm$
C) 100 $ohm$
D) $50\ ohm$
Explanation
(c) $X_{L} = 2\pi vL = 2 \times \pi \times 50 \times \frac{1}{\pi} = 100\Omega$
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.