Network Analysis

SHORT QUESTIONS:  1. Define two-port network?   2. Define Z-parameters?  3. Define Y-parameters?  4. Define h-parameters?  5. Define transmission or ABCD or chain or general parameters?   6. Write the symmetry condition for Z, Y, h and ABCD parameters?  7. Write the reciprocity condition for Z, Y, h and ABCD parameters?  8. Draw the parallel connection of 2 two-port networks?  9. Find the mutual impedance of the circuit shown below.   10. What are called transmission parameters? Why are they called so?  11. When 10 V is applied to a two port resistive network, on no load, the voltage at the open circuit end is 8 V. When 1 amp load is connected, the voltage at the load end is 6 V. Find the voltage at the load end for a load current of 2 amp. The supply voltage is same in all the cases.  12. Write the equations for Z parameters in terms of Y parameters?  13. Write the equations for Z parameters in terms of h parame...

INTRODUCTION 1. a) What do you mean by an electric network and an electric circuit? b) Find the value of Va for the following circuit using KVL. 2. a) Explain the concept of source transformation? b) Find the maximum power delivered to the load by using maximum power transfer theorem for the following circuit. 3. (a) State and explain Kirchhoff’s laws? (b) Using nodal analysis find all branch currents for the following circuit. 4. a) What is the condition for maximum power transfer to the load? b) Find Thevenin’s equivalent for the following circuit. 5. a) State and explain Superposition theorem? b) Verify Superposition theorem for 4Ω resistor for the following circuit.  6. a) State and explain milliman’s theorem. b) Find Norton’s equivalent for the following circuit. 7. (a) State Kirchhoff’s voltage law? (b) Find branch currents for the following circuit. 8. a)State and explain Norton’s theorem? b) Verify the reciprocity theorem for the network shown in fig . 9. (a) Define the fol...

Unit-I Introduction to circuit elements R, L, C and their characteristics in terms of linearity & time dependent nature, voltage & current sources controlled & uncontrolled sources KCL and KVL analysis, Nodal & mesh analysis, analysis of magnetically coupled circuits, Transient analysis: Transients in RL, ICT Based & green board RC&RLC Circuits, initial conditions, time constants. Steady state analysis- based class room teaching Concept of phasor & vector, impedance & admittance, Network topology, concept of Network graph, Tree, Tree branch & link, Incidence matrix, cut set and tie set matrices, dual networks, Dot convention coupling co- efficient, tuned circuits, Series & paratlel resonance.  Unit-II Network Theorems for AC & DC circuits- Theremins& Norton's, Superposition's, Reciprocity, Compensation, Substitution, Maximum power IcrK Based & green board transfer, and Mill man's theorem, Tellegen's theorem, problems ...