AC Circuit

Question

Answer 1

(1)

Step 1:

Find the total impedance.

The inductive impedances are , and .

The mutual inductance are .

Find the total inductance at the coil 1:

Find the total inductance at the coil 2:

Find the total inductance at the coil 3:

Step 2:

Total impedance between the nodes and is .

is in series with .

Step 3:

Find the total current in the circuit.

Total current in the circuit is

Solution:

Total current in the circuit is