$\"\"$ , $\"\"$ and $\"\"$ .

\

Mutual inductance is $\"\"$ .

\

Find the mutual inductance of $\"\"$ and $\"\"$ .

\

$\"\"$

\

$\"\"$ .

\

Find the mutual inductance of $\"\"$ and $\"\"$ .

\

$\"\"$

\

\

$\"\"$

\

Find the mutual inductance of $\"\"$ and $\"\"$ .

\

$\"\"$

\

$\"\"$

\

Redraw the circuit:

\

$\"\"$

\

Find the inductance at thew coil 1,

\

$\"\"$

\

Find the inductance at thew coil 2,

\

$\"\"$

\

Find the inductance at thew coil 3,

\

$\"\"$

\

Total impedance between the nodes $\"\"$ and $\"\"$ is a

\

$\"\"$

\

$\"\"$

\

\

\

\

\

\