QUESTION 4
4.1 Use nodal analysis to calculate the output voltage of the circuit in figure 1. (12)
Node 1
Z1: Z=A+jB, Z=(2+j3)Ģ
Z2: Z=A+jB, Z=(2+j1)Ģ
LOAD: Z=A+jB, R=10Ģ
V1: (6+j0)V, 50Hz, 0°
V2: (4+j3)V, 50Hz, 36.87°
Vout
Figure 1
4.2 Explain the phenomenon of maximum power transfer in a.c. circuits. (4)