# 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**

**Instructions: **(1) Answer **all **questions.

(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 I _{1},I_{2},I_{3} using Driving Point Impedance and the Transfer Impedances **

**13.Using Nodal method find the voltage V _{A} in the circuit shown below which makes the current in 10**

**Ώ**

**Resistor is Zero**

**14.Find the voltage V _{x} 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****Ώ**** 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****Ώ**

** ********************************************************

**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**

**Instructions: **(1) Answer **all **questions.

(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**

**3.Define ( i) Driving point Admittance ( ii) Transfer Admittance**

**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 V _{1},V_{2}**

**13.In the Network of fig. below the source V _{1} results in a voltage across ( 2-j2)**

**Ώ**

**Impedance. Using Mesh Analysis find the source V**

_{1}which corresponds to V_{0}= 5**∟0**

**14.Determine the Maximum Power delivered to the Load in the Circuit shown ****below**

**15.Find the voltage across 2****Ώ**** 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**