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Tutorial Sheet - 01: Department of Electrical Engineering

This document contains a tutorial sheet with 11 practice problems involving circuit analysis techniques including nodal analysis, mesh analysis, and source transformations. The problems cover classifying circuit elements, calculating power dissipation, applying Kirchhoff's laws, and using various analysis methods to solve for unknown voltages and currents. The document provides the circuit diagrams and equations to solve for each problem, with the answers given in parentheses.

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212 views3 pages

Tutorial Sheet - 01: Department of Electrical Engineering

This document contains a tutorial sheet with 11 practice problems involving circuit analysis techniques including nodal analysis, mesh analysis, and source transformations. The problems cover classifying circuit elements, calculating power dissipation, applying Kirchhoff's laws, and using various analysis methods to solve for unknown voltages and currents. The document provides the circuit diagrams and equations to solve for each problem, with the answers given in parentheses.

Uploaded by

jithukk
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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Department Of Electrical Engineering

Indian Institute of Technology Roorkee


Roorkee
EE – 101: Electrical Science
Tutorial Sheet – 01
1. V-I characteristics of an electric circuit element is described in the following table. Classify the
element into (a) linear and nonlinear (b) unilateral and bilateral (c) active and passive

Voltage V -3 -2 -1 0 1 2 3
(volts)
Current I -1 -1 -1 0 1 4 9
(amps)

2. Using source transformation technique, find out the power absorbed by the 4 Ω resistor shown in
Fig.1. 2 4V (Ans: 1W)

4 2
2
1A

5V

Fig. 1
3. Find the terminal voltage Vx in the fig.2. (Ans: 4V)

4. For the fig .3, write a single node equation in Vx, and solve for it. (Ans: -10V)

-1-
5. Use nodal analysis to find V 1 , V 2 then compute the power absorbed by the 6K resistor in the
fig.4. (Ans: V1=31.36,V2=34.09,P=1.242 W)

6. Find the current through 10Ω resistor by nodal analysis (Ans: 1.1765A)

7. Apply Source transformation technique to simplify the ckt shown in fig.6, and hence find the
voltage across 2A & 4A current sources (V1 & V2) using nodal analysis. (Ans: 40V & 15V)

8. Use Nodal Analysis to find the Vx shown in Fig. 7. (Ans: 0 V)

-2-
9. Find the current through all the elements of the ckt. Shown in Fig. 8, using Loop current
Analysis, hence calculate the power absorbed by 4Ω resistor. (Ans: 4W)

10. Using Mesh current analysis, find the current supplied by the voltage source shown in Fig. 9.
(Ans: 0.1A)

11. Find the voltages at the nodes A, B, C shown in Fig.10, using Node Voltage method . (Hint:
Combining two sources into a single super node) (Ans: 100V, 50V, 80V)
A

50 Ohm 40 Ix
Ix
DC

100 Ohm
DC

110 V
DC
B C
30 V
500 Ohm

800 Ohm

Reference
Fig. 10

-3-

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