Tutorial Sheet 4

Q. 1 Find the z/y/h parameters of the circuit of fig (1)

+-32

1Vx

0.5Vx

+

-

fig (1)

Q.2 (a) Predict the reading of the ideal voltmeter V in fig.(2) by first finding the z-parameters of the

passive network.(b) Repeat (a) , but with the voltmeter V and the 4A current source interchanged with

each other. What do you conclude?

+

-

1 2

5 10

2'1'

v

30

40 4A

fig.(2)

Q. 3 Find z/y/h-parameters for the circuits of Fig. 3

Fig. 3

Q. 4 The circuit shown below replaces the network H in the circuit of fig. 4. Find V2/Vs

Q. 5