network theory short answer questions

Network Theory

Unit 5

1.     What is the condition for reciprocity in Z and Y parameters?

2.     What is the condition for reciprocity in h and ABCD parameters?

3.     What is the condition for symmetry in Z and Y parameters?

4.     What is the condition for symmetry in h and ABCD parameters.

5.     What are the units of h11 and h21

6.     A two part symmetrical passive network has A=3 and C=2 mho

Then the value of B in ohms is -------

7.     If all the elements of the two port network are doubled then what is its effect on ABCD parameters

8.     Which of the following parameters does not exist for series element and shunt element

9.      A two port network is represented by I₁=2V₁ -1V₂ and

I₂ = - 1V₁+ 2V₂. Determine its ‘Y ‘parameters and ‘h' ‘parameters

     10.For a two port passive network ABCD parameters are A=3 D=4 and C=0.5 mhos .Draw its equivalent ‘T’  network

                                 Unit 6

1.     Determine the overall Z parameters when 2 two port networks are connected in series?

2.     Determine the overall Y Parameters when 2 two port networks are connected in parallel?

3.     Determine the overall ABCD parameters when 2 two port networks are connected in cascaded?

4.     Write few applications of ABCD parameters

5.     Write the formulae for Transform impedance of inductor and capacitor

6.     Write the formulae for Transform admittance of inductor and capacitor

7.     Define image impedance

8.     Define driving point impedance and driving point admittance

9.     Draw the equivalent circuit of Z parameters

10.     Explain how a bridged T network can be analyzed by using

Interconnected two port networks property?

             Unit 7

1.     What is filter give the classification of filters

2.     Define propagation constant

3.     What are constant K filters

4.     Write the formula for attenuation constant in stop band

5.     Write the formula for phase shift  constant in pass band

6.     Draw the circuit diagram of constant K low pass filter ( both

Symmetrical T and symmetrical π design)

7.     Draw the circuit diagram of constant K high pass filter ( both

Symmetrical T and symmetrical π design)

.   8. What are the limitations of constant K filters

    9.Write the formula for characteristic impedance of symmetrical T

        And symmetrical π network

    10 what is the formula for characteristic impedance interns

         Of open circuit and short circuit impedance

                             Unit 8

1.     Write few applications of Fourier analysis

2.     What is trigonometric Fourier series and explain each term in it

3.     What is compact trigonometric Fourier series and explain each term in it

4.     What is exponential  Fourier series and explain each term in it

5.     What are even and odd functions

6.     Explain few properties of Fourier transforms

7.     Explain about half wave symmetry

G.MANOHAR manohar.gangikunta@gmail.com