# Model Paper DECE IV SEM ||Network Analysis EC-403||

C14-EC– 403

Model question paper-I

BOARD DIPLOMA EXAMINATION, (C-14)

DECE-IV Semester EXAMINATION

Network Analysis

Time 3 Hours]                                                                     [TOTAL MARKS:80

PART-A

(2) Each question carries three marks.

(3) Answers should be brief and straight to the point and shall

not exceed five simple sentences.

1.State Kirchhoff’s current law and Kirchhoff’s voltage law

2.Explain briefly Ideal Voltage Source

3.Define ( i) Driving point Impedance ( ii) Transfer Impedance

4.Draw the dual of the given Series circuit 5.State and explain Super position Theorem

6.Write any three limitations of Norton’s theorem

7.Define Steady State Response and Transient Response

8.Define Open Circuit Impedance of a Two-Port Network

9.Define Equalizer

10.Define Pass Band and Stop Band

PART-B

Instructions:           (1) Answer any five questions.

(2) Each question carries ten marks.

(3) Answers should be comprehensive and the criterion for

valuation is the content but not the length of the answers.

11.Explain the concept of Mutual Inductance as a circuit parameter

12.In the network of fig. below find the Mesh currents I1,I2,I3 using Driving Point Impedance and the Transfer Impedances 13.Using Nodal method find the voltage VA in the circuit shown below which makes the current in 10 Resistor is Zero 14.Find the voltage Vx  in the circuit shown below and verify the Reciprocity Theorem 15.Determine the Norton’s Equivalent circuit at terminals AB 16. A Series RL circuit with R = 30 AND L = 15H has a constant voltage V= 60V applied at t= 0 as shown in fig. below. Determine the current the voltage across Resistor and Inductor  at t = 0.2 Sec. 17 .Find the Z- Parameters  of a T-Network shown in fig. below 18.Design a π– Section Constant-K High Pass Filter with Cut-Off Frequency 12 KHz and design Impedance of 500

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C14-EC– 403

Model question paper-II

BOARD DIPLOMA EXAMINATION, (C-14)

DECE-IV Semester EXAMINATION

Network Analysis

Time 3 Hours]                                                                     [TOTAL MARKS:80

PART-A

(2) Each question carries three marks.

(3) Answers should be brief and straight to the point and shall

not exceed five simple sentences.

1.Define the terms (i) Mutual Inductance (ii) Coefficient of coupling

2.Explain briefly Ideal Current Source

4.Determine the number of Mesh Equations required to solve the given network 5.State and explain Reciprocity Theorem

6.Write any three limitations of Super position theorem

7.Define Time Constant of a RC Circuit

8.Define Short Circuit Admittance of a Two-Port Network

9.Define (i) Neper and (ii) Decibel

10.Write any three applications of Equalizer

PART-B

Instructions:           (1) Answer any five questions.

(2) Each question carries ten marks.

(3) Answers should be comprehensive and the criterion for

valuation is the content but not the length of the answers.

11.Explain the DOT Rule for Coupled Circuits

12.Find the Node Voltages V1,V2 13.In the Network of fig. below the source V1 results in a voltage across ( 2-j2) Impedance. Using Mesh Analysis find the source V1 which corresponds to V0 = 5∟0 14.Determine the Maximum Power delivered to the Load in the Circuit shown below 15.Find the voltage across 2 Resistor by using Super Position Theorem 16.For the circuit shown below

(i)  Find the time constant

(ii) After how many time constants will the current have decayed to one –half of its maximum value

17 .Find the Transmission Parameters  for the given Network 18.Design a  T-Type Attenuator to give an Attenuation of 60 Db to work in a line of 500Ώ Impedance