EE1151 Circuit Theory B.E Question Bank : kings.ac.in
Name of the College : Kings College Of Engineering
University : Anna University
Department : Electrical & Electronics Engineering
Degree : B.E
Subject Code/Name : EE1151 Circuit Theory
Year : 1st
Semester : 2nd
Document Type : Question Bank
Website : kings.ac.in
Download Model/Sample Question Paper :https://www.pdfquestion.in/uploads/kings.ac.in/3250-CT-EE1151.pdf
Kings Circuit Theory Question Paper
Unit – I :
Part – A (2-Marks) :
Basic Circuits Analysis
1. State Ohm’s law.
2. Mention the limitations of Ohm’s Law.
3. State Kirchhoff’s voltage law.
Related : Kings College of Engineering GE1151 Basic Civil & Mechanical Engineering B.E Question Bank : www.pdfquestion.in/1564.html
4. State Kirchhoff’s Current law.
5. State two salient points of a series combination of resistance.
6. State two salient points of a parallel combination of resistance.
7. Give two applications of both series and parallel combination.
8. Define an ideal voltage source.
9. Define an ideal current source.
10. Explain how voltage source with a source resistance can be converted into an equivalent current source.
11. Name the four different types of dependent sources in electric circuits.
12. Define R.M.S value.
13. State the advantages of sinusoidal alternating quantity.
14. What is a phasor?
15. What is meant by linear and nonlinear elements?
16. What is meant by active and Passive elements?
17. What is meant by Unilateral and bi-lateral element?
Part – B :
1. Find the current through each branch by network reduction technique. (16)
2. Calculate a) the equivalent resistances across the terminals of the supply, b) total current supplied by the source and c) power delivered to 16 ohm resistor in the circuit shown in figure. (16)
3. In the circuit shown, determine the current through the 2 ohm resistor and the total current delivered by the battery. Use Kirchhoff’s laws. (16)
4. (a) Determine the current through 800 ohm resistor in the network shown in figure. (8)
(b) Find the power dissipated in 10 ohm resistor for the circuit shown in figure. (8)
5. (a) In the network shown below, find the current delivered by the battery. (10)
(b) Discuss about voltage and current division principles. (6)
6. Explain with relevant diagrams :
i) Kirchoff laws. (5)
ii) Dependent sources (3)
iii) Source transformations (4)
iv) Voltage division and current division rule (4)
7. (a) Determine the value of V2 such that the current through the impedance (3+j4) ohm is zero. (8)
(b) Find the current through branch a-b using mesh analysis shown in figure below. (8)
8. Determine the mesh currents I1 and I2 for the given circuit shown below (16)
9. Find the node voltages V1 and V2 and also the current supplied by the source for the circuit shown below. (16)
10. Find the nodal voltages in the circuit of figure. (16)
11. (a) Using the node voltage analysis, find all the node voltages and currents in 1/3 ohm and 1/5 ohm resistances of figure. (8)
(b) For the mesh-current analysis, explain the rules for constructing mesh impedance matrix and solving the matrix equation [Z]I = V. (8)
12. Solve for V1 and V2 using nodal method. Let V = 100V. (16)
13. Using Mesh analysis, find current through 4 ohm resistor. (16)
14. Use nodal voltage method to find the voltages of nodes ‘m’ and ‘n’ and currents through j2 ohm and –j2 ohm reactance in the network shown below. (16)
15. For the circuit shown find the current I flowing through 2 ohm resistance using loop analysis. (16)
Unit – II
Network Reduction
Part – A (2-Marks) :
Network Theorems For DC And AC Circuits :
1. State Superposition theorem.
2. State Thevenin’s theorem.
3. State Norton’s theorem.
4. State Maximum power transfer theorem.
5. State reciprocity theorem.
6. Write some applications of Maximum power transfer theorem.
7. A voltage source has internal impedance (4+j5) ohm. Find the load impedance for maximum power transfer.
8. Given that the resistors Ra, Rb and Rc are connected electrically in star. Write the equations for resistors in equivalent delta.
9. Three equal resistors each of R ohms are connected in star. Find the value of resistors in the equivalent delta.
10. Three resistors Rab, Rbc and Rca are connected in delta. Write the expression for resistors in equivalent star.
11. Three resistors, each of value R ohms are connected in delta. Find the value of resistors in its equivalent star.
Part – B :
1. (a) Find the value of R and the current flowing through it in the circuit shown when the current in the branch OA is zero. (8)
(b) Determine the Thevenin’s equivalent for the figure (8)
2. Derive expressions for star connected arms in terms of delta connected arms and delta connected arms in terms of star connected arms. (16)
3. Determine Thevenin’s equivalent across the terminals AB for the circuit shown in figure below. (16)
4. Find the Thevenins’s equivalent circuit of the circuit shown below, to left of the terminals ab. Then find the current through RL = 16 ohm and 36 ohm. (16)
5. (a) Find the current through branch a-b network using Thevenin’s theorem. (8)
(b) Find the current in each resistor using superposition principle of figure. (8)
6. (a) Determine the Thevenin’s equivalent circuit. (8)
(b) Determine the equivalent resistance across AB of the circuit shown in the figure below. (8)
7. For the circuit shown, use superposition theorem to compute current I. (16)
8. (a)Compute the current in 23 ohm resistor using super position theorem for the circuit shown below. (8)
(b) Find the equivalent resistance between B and C in figure (8)
9. Using superposition theorem calculate current through (2+j3) ohm impedance branch of the circuit shown. (16)
10. (a) For the circuit shown, determine the current in (2+j3) ohm by using superposition theorem. (8)
(b) State and prove Norton’s theorem. (8)
11.(a) Find the value of RL so that maximum power is delivered to the load resistance shown in figure. (8)
(b) State and explain reciprocity theorem. (8)
12. Determine the maximum power delivered to the load in the circuit. (16)
13. Find the value of impedance Z so that maximum power will be transferred from source to load for the circuit shown. (16)
14. (a) State and explain maximum power transfer theorem for variable Pure resistive load. (8)
(b) Using Norton’s theorem, find current through 6 ohm resistance shown in figure. (8)