B.TECH - Semester 3 network analysis Question Paper 2020 (may)
Practice authentic previous year university questions for better exam preparation.
Sample Questions
- Find the current though the $2 \mathrm{~K} \Omega$ resistor.
- Design the Norton's equivalent of the circuit.
- State and prove Reciprocity Theorem.
- Express the waveform shown below using step functions.
- Differentiate between single tuned and double tuned circuit.
- How is transmission parameters useful in defining a two-port network?
- Give an overview of Cauer method for RC network synthesis.
- What are the advantages in converting a Delta network to Star network?
- State the significance of negative frequency.
- Elaborate the importance of image impedance in network analysis. PART - B Answer any one questions from each Module. Module - I
- (a) Using node analysis, find the current following through $2 K \Omega$ resistor. 10
- (b) In the above problem, find the voltage drop across the $4 \mathrm{~K} \Omega$ resistor, if the voltage at input is doubled.
- (a) Generate a function shown in figure using basic functions. $\mathbf{1 0}$
- (b) State and prove Superposition theorem.
- (a) An inductor has an initial current of 0.3 A and is connected to a voltage of 3 V . At $t=0^{+}$the position of switch $S$ is shifted instantaneously from 1 to 2 . as shown in figure, find the current through the inductor at any time, t .10
- (b) Derive the equation for current in an inductor at any time, t .
- (a) Find the Inverse Laplace Transform of the system defined by $H(S)=\frac{1}{(s+3)(s+5)}$.
- (b) What are the criteria for oscillation with respect to S-plane? When is a system said to be causal? Support the statements with equations. Module - III
- (a) Find the admittance matrix of the two-port network shown in figure.
- (b) Find the hybrid parameters of the network shown below. 3
- Write short notes on: (a) Bandwidth
- Write short notes on: (b) Dot-convention
- Write short notes on: (c) Series resonance
- Write short notes on: (d) Double tuned circuits
- (a) How is the stability of a system verified using Hurwitz pololynomial.
- (b) What are the differences between foster and cauer methods of synthesizing RC newtorks.
- A function is given by $H(S)=\frac{\left(s^{2}+1\right)\left(s^{2}+9\right)}{s\left(s^{2}+16\right)}$. Synthesize an RC network representing this function.