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UNIT-I
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
Distinguish between active and passive element with suitabe example ?(LEVEL-1)
What are active and passive element ? (LEVEL-1)
Explain voltage and current relationship of passive element s with examples ?(LEVEL-2)
Explain difference between practical source and ideal source ? (LEVEL-2)
What are linear and non linear elements ? (LEVEL-2)
What is mean by practical source and ideal source and draw the its characteristics ?(LEVEL-1)
Write a note on dependent source ? (LEVEL-1)
Write a note on independent ? (LEVEL-1)
Explain source transformation with suitable example ? (LEVEL-2)
Determine the total current in the given circuit? (LEVEL-3)
R2
R1
1
4
3.0
R3
5
3
2
2.0
3.6
R4
R5
2.4
4.3
V1
30 V
R6
6.2
6
11. Explain voltage and current relationship of resistor ? (LEVEL-2)
12. Explain voltage and current relationship of inductor ? (LEVEL-2)
13. Explain voltage and current relationship of capacitor ? (LEVEL-2)
14. State and explain Kirchhoff law’s ? (LEVEL-1)
15. What is ohms law ?(LEVEL-1)
16. Find current in the given circuit . (LEVEL-3)
R3
1
R1
2
2
5
V1
10 V
R4
R2
1
3
2
R5
3
R6
5
4
17.
18.
19.
20.
21.
22.
23.
Derive the equation when two resistors are connected in parallel ? (LEVEL-2)
Derive the equation when two inductors are connected in parallel ? (LEVEL-2)
Derive the equation when two capacitors are connected in parallel ? (LEVEL-2)
Derive the equation when three resistors are connected in series ? (LEVEL-2)
Derive the equation when three inductors are connected in series ? (LEVEL-2)
Derive the equation when three capacitors are connected in series ? (LEVEL-2)
Find resistance between two terminals ? (LEVEL-3)
R2
1
R3
R1
1
R5
3
2
2
R4
1
R6
5
5
1
R10
1
7
4
R8
6
R7
2
R9
3
1
24. Derive the current division rule ?(LEVEL-2)
25. Derive the voltage division rule ? (LEVEL-2)
26. The Resistors are connected in series and the values are 2Ω, 4Ω, 5Ω and voltage is 30volts.Find
current across the circuit? (LEVEL-3)
27. Find the current delivered by the source for the network shown in figure. (LEVEL-3)
R1
1
R4
2
3
8
R3
7
3k
4
6
R2
28
V1
100 V
8
R7
3
R8
12
R5
24
R6
R9
6
8
5
6
28. Find the value of voltage for the network shown in figure ? (LEVEL-3)
R1
1
R3
2
2
R5
3
2
R2
2
V1
0V
R7
4
0.5
R4
2
1
R6
2
5
29. Find voltage and current source equivalent representation of the following network acros two
end of terminals? (LEVEL-3)
1
R1
2
2
V1
4V
I1
R2
2
2A
3
30. By using Kirchhoff voltage and Kirchhoff current law calculate current in the given circuit ?
(LEVEL-3)
R2
1
R4
2
5
10
R3
2
V1
10 V
3
V2
50 V
4
31. Three resisters are connected in parallel having the ratio of 1:2:3, the total is 100W when 10V is
applied to the combinations, find the values of resistances. (LEVEL-3)
32. Find current across each element. (LEVEL-3)
R1
1
R3
2
4.3
3
1.0
V1
45 V
R2
1.0
R4
6.2
R5
2.0
4
33. Find the total equivalent capacitance, total energy stored if the applied voltage is 100V for the
circuit as shown in figure. (LEVEL-3)
3
C1
2.0uF
V1
100 V
C4
4.3uF
C3
5.1uF
1
C2
1.0uF
2
C5
3.0uF
4
34. Find the voltage drop acroos 1 ohm resistance in the circuit as shown in figure. (LEVEL-3)
R1
1
2
R4
1.0
3.0
R2
3.0
V1
15 V
R3
2.0
3
R5
2.0
R6
2.0
4
35. In the following electrical network, find the current in 5ohm branch by applying kirchhoff’s law.
(LEVEL-3)
3
R1
10
R3
10
R2
5.1
1
V1
60 V
2
V2
40 V
4
36. Find current in each branch of the network as shown in figure, using kirchhoff’ law. (LEVEL-3)
R2
3
R5
4
5.1
10
V1
15 V
5
V2
12 V
1
V3
25 V
2
R1
10
R4
8.2
8
R3
6
R6
7
5.1
10
37. For the circuit shown in figure, find the total resistance and current. (LEVEL-3)
R2
1
82
18
R1
5
R3
3
4
R4
100
2
R6
60.4
R5
V1
100 V
75.0
40.2
38. Calculate voltage across two terminals. (LEVEL-3)
R1
3
100
4
R2
10
1
V1
12 V
R3
5.1
2
R4
25.5
5
39. Find equivalent resistance between two terminals(LEVEL-3)
R1
5
R2
1
2.4
R5
2
1.8
3.9
R3
2.4
R4
3.3
3
R6
7.5
4
40. Determine the current in the 10 ohm resistance and find voltage across 2 ohm as shown in the
figure. (LEVEL-3)
3
R3
5.1
R1
2.0
2
1
R2
10
I1
4A
4
R4
2.0
UNIT-II
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
Explain mesh analysis with suitable example ? (LEVEL-2)
Explain supermesh analysis with suitable example ? (LEVEL-2)
Explain nodal analysis with suitable example ? (LEVEL-2)
Explain super mode analysis with suitable example ? (LEVEL-2)
Define star and delta configuration? (LEVEL-1)
Derive the equation of star to delta transformation? (LEVEL-2)
Derive the equation of delta to star transformation? (LEVEL-2)
Explain superposition theorem ? (LEVEL-2)
Explain Thevenins theorem? (LEVEL-2)
Explain Maximum power transfer theorem ? (LEVEL-2)
Write the mesh current equation in the circuit shown in figure and determine the current ?
(LEVEL-3)
R2
1
R4
2
5
10
R3
2
V1
10 V
3
V2
50 V
4
12. Determine mesh current I in the circuit shown ? (LEVEL-3)
R1
R2
2
10
1
3
2
V2
10 V
R3
5k
V1
50 V
4
R4
6
1
V3
5V
R5
3
5
13. Write mesh equations for the circuit shown ? (LEVEL-3)
R1
R2
2
3
1
2
R3
3
1
R4
5
V2
7
4
V1
5 V
10 V
R5
4
R6
6k
V3
6
5
20 V
14. Determine the current in the 5Ω resistor in the network given ? (LEVEL-3)
1
R1
10
R2
2
I1
2
3
V1
50 V
R5
4
3
2A
R3
5
R4
1
5
15. Write node voltage equations and determine the currents in each branch for the network shown
in figure? (LEVEL-3)
R2
1
R4
2
3
I1
5A
1
R1
10
3
R3
5
V1
10 V
4
16. Determine the voltages at each node for the circuit shown in figure ? (LEVEL-3)
R3
3
R1
1
3
R2
25
10
R4
3
V1
10 V
4
2
R5
5
R6
1
I1
5A
R7
6
6
17. By using delta to star transformation find equivalent resistor ? (LEVEL-3)
R1
2
R2
1
R3
2
4
R4
3
6
4
3
R5
5
18. Find total current by using delta – star transformation? (LEVEL-3)
R1
1
R3
2
3
3
4
V1
50 V
R2
5
R4
2
4
19. Calculate total current across 2Ω Resistor by using Superposition theorem ? (LEVEL-3)
1
R2
5
V1
10 V
R4
2
R3
2
3
10
V2
50 V
4
20. Find the current across 20Ω resistance of figure showned by using superposition
theorem(LEVEL-3)
R2
1
3
30
10
R1
5
I1
10 A
R4
2
R3
20
V1
100 V
4
21. Find Thevenin equivalent circuit for the network shown below .Find the current through 10Ω
resistor ? (LEVEL-3)
1
R2
R4
2
4
2
3
R3
6
V1
9V
R1
10
3
22. For the circuit shown below determine the value of R4 for maximum power to R4, and also
calculate the power delivered? (LEVEL-3)
1
R1
R3
2
6
3
8
V1
12 V
R2
3
R4
0
4
23. Calculate node voltages? (LEVEL-3)
R2
1
I1
10 A
10
R1
5
R4
2
30
R3
20
4
24. Calculate mesh currents from the given circuit.(LEVEL-3)
2
R1
3
R3
10
5.1
V1
10 V
R2
2.0
1
4
25. Calculate node voltages? (LEVEL-3)
V2
50 V
3
V1
100 V
V1
R1
2
3
4
2.0
I1
10 A
R4
5.1
20 V
R2
3.0
R3
1.0
1
V2
10 V
R5
2.0
5
26. Calculate loop current by using super mesh analysis. (LEVEL-3)
2
R1
1.0
R2
2.0
5
R3
V1
7V
4
3.0
I1
7A
R4
1.0
1
3
R5
2.0
27. Calcuate each loop current and what is the current across 3 ohm. (LEVEL-3)
R3
2
4.3
R1
R2
3
1.0
1
2.0
R5
3.0
V1
45 V
R6
5.1
4
28. Determine the current in each branch of the network by using superposition theorem. (LEVEL-3)
2
R2
R5
3
24
V1
60 V
10
R3
12
1
R1
1.2
4
V2
48 V
5
29. Find Thevenin equivalent circuit for the network and find the current through 10ohm. (LEVEL-3)
R1
1
R2
2
3.0
3
2.0
V1
9V
R3
6.2
R5
10
4
30. Three resistors having resistances 50Ω, 100Ω, 150Ω are star connected to terminals A,B,C
respectively. Calculate the resistances of equivalent delta connected resistors. (LEVEL-3)
31. Three resistors are having resistances 20 Ω, 80 Ω, 30 Ω are delta connected between terminals
AB, BC, CA respectively. Calculate the resistances of equivalent star connected resistors. (LEVEL3)
32. Three resistances 4 Ω, 6 Ω, 8 Ω are connected in delta. Find their equivalent star connected
resistances. (LEVEL-3)
33. Determine resistance between the two terminals shown in figure. (LEVEL-3)
R1
1
R3
4
10
R7
5
20
5.1
R5
5.1
R2
10
8
R6
15
R8
10
6
R10
2.0
2
R9
R11
3
5.1
7
30
34. Find the current in the 100ohm resistor of the network shown in figure. (LEVEL-3)
R1
62
1
3
V1
160 V
R2
40.2
R3
2
100
R5
40.2
R6
60.4
4
35. Find the current through the circuit, by using star and delta configuration. (LEVEL-3)
R3
4.3
R1
1
R2
2
1.0
3
2.0
V1
45 V
R5
3.0
R6
5.1
4
36. Find the current through each element in the network as shown in figure. (LEVEL-3)
R3
2
4.3
R1
R2
3
1.0
1
1.0
V1
12 V
R5
2.0
R6
5.1
4
37. Three resistors having resistances RΩ, 2RΩ, 3RΩ are star connected to terminals A,B,C
respectively. Calculate the resistances of equivalent delta connected resistors. (LEVEL-3)
38. Three resistors are having resistances 4 Ω, 5 Ω, 6 Ω are delta connected between terminals AB,
BC, CA respectively. Calculate the resistances of equivalent star connected resistors. (LEVEL-3)
39. Three resistors are having resistances 1/R Ω, 1/R Ω, 1/R Ω are delta connected between
terminals AB, BC, CA respectively. Calculate the resistances of equivalent star connected
resistors(LEVEL-3)
40. Calculate total current for the given circuit? (LEVEL-3)
2
R1
3
R3
10
5.1
V1
10 V
R2
2.0
4
1
V2
50 V
UNIT-III
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
Classify difference measuring instrument?(LEVEL-1)
Explain indicating, integrating, recording instruments?(LEVEL-2)
State the essential of indicating instruments?(LEVEL-2)
State the purpose of different torques in indicating instruments?(LEVEL-2)
Explain different torques in indicating instrument?(LEVEL-2)
Explain necessity of damping torque in indicating instrument and states the type of damping
torques?(LEVEL-2)
What is the purpose of controlling torque in measuring instruments?(LEVEL-2)
Explain the construction and working principle of permanent magnet moving coil instrument
with neat sketch ?(LEVEL-2)
What are the application of moving coil instrument?(LEVEL-2)
State the advantage and disadvantage of permanent moving coil instrument?(LEVEL-2)
Explain the working of Attraction type moving iron instruments?(LEVEL-2)
Explain the working of repulsion type moving iron instruments?(LEVEL-2)
State the advantage and disadvantage of attraction type moving coil instrument?(LEVEL-2)
Write comparison between Moving coil and Moving iron instruments?(LEVEL-2)
Explain Indicating instrument ?(LEVEL-2)
Explain Integrating instrument ?(LEVEL-2)
Explain recording instrument ?(LEVEL-2)
What type of torques involved in indicating instrument ? Explain Indicating instrument ?(LEVEL2)
Draw and explain PMMC instrument?(LEVEL-2)
Draw and explain PMMI instrument?(LEVEL-2)