AC Bridge: Solve Unknown Inductance/Resistance

[Dhruv]

Homework Statement

I have given the T - bridged network figure and I have to calculate unknown inductance and resistance?

Homework Equations

I solved a lot of bridge problems using balanced bridge equation :-

(Z1)(Z4) = (Z2)(Z3)

But I have no idea how to proceed in this question , please help.

The Attempt at a Solution

 

[Bystander]

http://en.wikipedia.org/wiki/Zobel_network