(Solved):
If the mesh currents are defined as shown in the circuit, and the source value is \( V_{s}=54 \) V ...
If the mesh currents are defined as shown in the circuit, and the source value is \( V_{s}=54 \) Volts, find the value of the mesh current \( I_{B} \). Express your answer in units of milli-amps \( (\mathrm{mA}) \).