Q. An inductor of 10 mH shows 50 mH when operate with a core mad e of ferrite. The susceptibility of ferrite is

A) 5
B) 4
C) 3
D) None of these
Explanation

(b) $\mu_{r} = \frac{L^{'}}{L} = \frac{50}{10} = 5$
$\mathcal{X}_{m} = \mu_{r} - 1 = 5 - 1 = 4$

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.