Networks Analysis and Synthesis - Engineering

Q1:

Two coupled coils with self inductances of 4 mH and 16 mH are connected in series. The maximum possible value of inductance can be

A 36 mH

B 20 mH

C 28 mH

D 64 mH

ANS:A - 36 mH

Inductance = 4 + 16 + 24 x 16 = 36 mH.