In the circuit of Fig. 4-48 find the contribution of each source to V_A, V_B, and V_C, and show that they add up to the values found in Problems 4.36 and 4.37.

Data from Problem 4.36

In the circuit of Fig. 4-48 write three node equations for nodes A, B, and C, with node D as the reference, and find the node voltages.

Data from Problem 4.37

In the circuit of Fig. 4-48 note that the current through the 3-Ω resistor is 3 A, giving rise to V_B = 9 V. Apply KVL around the mesh on the upper part of the circuit to find current I coming out of the voltage source, then find V_A and V_C.

Transcribed Image Text:

A +VI 1 A 492 ww www 692 I B ww D 6 V + ww 392 292 C +2A 12 A