Electric Circuits and Networks

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4.11 PROBLEMS

Find the power delivered by the –7 A current source in the circuit in Fig. 4.11-1 by nodal analysis.

Fig. 4.11-1
The node voltages in the circuit in Fig. 4.11-2 are marked in the figure. Find the values for R₁, R₂, R₃ and I.

Fig. 4.11-2
The Y matrix of the circuit in Fig. 4.11-3 is given below. Find the values of all resistances in the circuit.

Fig. 4.11-3
(i) Express all the currents marked with arrows ...

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