12.2 Problems
551
Fig. 12.27
12.54 Apply Kirchhoff’s rules to the circuit shown in Fig. 12.28 to produce three
equations with three unknown branch currents. You do not have to solve
these equations for individual I .
[University of Aberystwyth, Wales 2006]
Fig. 12.28
12.55 Apply Kirchhoff’s rules to the circuit shown in Fig. 12.29 and present the
simultaneous equations necessary to calculate the currents in each of the
branches of the circuit. You do not have to solve these equations for the
branch currents.
Fig. 12.29