wayground logo

Free Printable Worksheets

NEW

Font size

S
M
L
XL
Worksheets

Two Port Network - H and ABCD

Total questions: 14

Worksheet time: 26mins

Name
Class
Date
1.

If the Z parameters of a two-port network are Z11= 5Ω; Z22=7 Ω; Z21=Z12=3 Ω then the A, B, C and D parameters are respectively given by

a)

5/3, 26/3, 1/3, 7/3

b)

10/3, 52/3, 2/3, 14/3

c)

15/3, 78/3, 3/3, 21/3

2.

The h parameters h11 and h12 are obtained

a)

By shorting output terminals

b)

By opening input terminals

c)

By shorting input terminals

d)

By opening output terminals

3.

The h-parameters h11 and h22 are related to z and y parameters as

a)

h11 = z11 and h22= 1/z22

b)

h11 = z11 and h22=y22

c)

h11=Δz/z22 and h22=1/z22

d)

h11=1/y11 and h22=y22

4.

A two-port network satisfies the condition A=D=(3/2)B=(4/3)C. The z11 of the network

a)

5/3

b)

4/3

c)

2/3

d)

1/3

5.

An open circuit reverse voltage gain in h-parameters is a unitless quantity and generally equivalent to ________

a)

V1 / I1 (keeping V2 = 0)

b)

I2 / I1 (keeping V2 = 0)

c)

V1 / V2 (keeping I1 = 0)

d)

I2 / V2 (keeping I1 = 0)

6.

For the circuit given in Fig 1, the values of the h parameter is given as follows h = [16, 3; -2, 0.01]. The value of the ratio V2/V1 is ______________

a)

0.3299

b)

0.8942

c)

1.6

d)

0.2941

7.

The h parameters of the circuit shown in Fig. 2 is

a)
b)
c)
d)
8.

For the circuit given Fig. 3, the value of the hybrid parameter h22 is ___________

a)

0.2 Ω\Omega

b)

0.5 Ω\Omega

c)

0.1 Ω\Omega

d)

0.3 Ω\Omega

9.

A 2-port network is shown in the Fig 4. The parameter h21 for this network can be given by _______

a)

12-\frac{1}{2}

b)

12\frac{1}{2}

c)

32-\frac{3}{2}

d)

32\frac{3}{2}

10.

3. If a two port network is passive or reciprocal, then with the usual notation, the following relationship

a)

h12 = h21

b)

h12 = - h21

c)

h11 = h22

d)

(a) h11 h22 - h12 h21 = 1

11.

3. A two-port network shown below is excited by external DC sources. The voltages and the currents are measured with voltmeters V1, V2 and ammeters A1, A2 (all assumed to be ideal), as indicated in the Fig. 5. Under following switch condition, the readings obtained are:

(i) S1 -Open, S2 -Closed A1= 0A, V1= 4.5V, V2= 1.5V, A2 =1A

(ii) S1 – Closed, S2 - Open, A1= 4A, V1= 6V, V2= 6V, A2 =0A

The h-parameter matrix for this network is:

a)

[-3, 3; -1,0,67]

b)

[-3, -1; 3,0,67]

c)

[3, 3; 1,0,67]

d)

[3, 1; -3,-0,67]

12.

In the circuit shown below in Fig. 6, find the transmission parameter A.

a)

6/5

b)

5/6

c)

3/4

d)

4/3

13.

In the circuit shown in Fig. 7, find the transmission parameter C

a)

4/5

b)

3/5

c)

2/5

d)

1/5

14.

In the circuit shown in Fig. 8, find the transmission parameter B.

a)

15/5

b)

17/5

c)

19/5

d)

21/5