Q 12-07-016NEETJEE MainEasy
The inductive reactance of a $0.5$ H coil at $50$ Hz is
Answer: (C) $50\pi\ \Omega$
Concept. $X_L = 2\pi fL$.
Step 1. Substitute. $X_L = 2\pi \times 50 \times 0.5 = 50\pi\ \Omega$.
Answer. $50\pi\ \Omega$ (Option C).
Solution by Sreeraj P, M.Sc Physics