Mutual Inductance

Ask

N.2)Given two coupled inductors L1 & L2 their Mutual inductance M, satisfies

(a) $M = \sqrt{L_1^{2}+L_2^{2}}$

(b) $M >\frac{L_1+L_2}{2}$

(c) $M >\sqrt{L_1L_2}$

(d) $M \leq \sqrt{L_1L_2}$

Answer is ( d )

Concept

Type Reasoning here