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Seat No.: Enrolment
GUJARAT TECHNOLOGICAL UNIVERSITY
PDDC- SEMESTER-II EXAMINATION SUMMER 2017
Subject Code: X20901 Date:30/05/2017
Subject Name: CIRCUITS AND NETWORKS
Time: 10:30 AM to 01:00 PM Total Marks: 70
Instructions:
1. Attempt any five questions.
2. Make suitable assumptions wherever necessary.
3. Figures to the right indicate full marks.
Q.1

Discuss the following.
Linear and Non Linear Element
Active and Passive network.
Unilateral and Bilateral network.
07

Find the current passing through the 2Ω resistor using Mesh analysis for the circuit shown in the figure.
07
Q.2

Explain the following.
Tree junction loop Cut set link Ideal Source Co tree
07

Using the nodal voltage analysis, find the current in all resistors for the network shown in figure.
07
Q.3

Derive the condition for a maximum power transfer
07

Discuss the techniques of Source transformation.
07
Q.4

Derive the initial and final value theorem of Laplace transform.
07

Discuss initial conditions in basic elements of network
07
Q.5

Derive formulae to convert given parameters into parameters.
07

I 33 -13 amp then find thevenin's equivalent circuit across x-y.
07
Q.6

State and explain Super position theorem.
07

The open circuit impedance parameters of a two port network are
Z11= 5Ω Z12= 3Ω, Z21= 3Ω, Z22= 4Ω . Determine ABCD parameters. Also check network is reciprocal and symmetrical or not.
07
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Q.7

State and explain Thevenin's theorem.
07

Write down fundamental loop matrix and Incidence matrix for given figure.
07