Sample EDC model question paper(2nd sem):
B.E./B.Tech. DEGREE EXAMINATION, JUNE 2010. SECOND SEMESTER ( Common to Biomedical Engineering,CSE, ECE, IT) Time: Three hours Maximum: 100 marks
PART A — (10 × 2 = 20 Marks)
1. Find Req of the restive network . 2. Determine the current drawn by the source as shown in 3. For the circuit shown in fig.3 determine the value of Q at resonance and Bandwidth of the circuit. 4. A Series RC circuit consists of resistor of 10 and a capacitor of 0.1F as shown in Fig.4. A constant voltage of 20v is applied to the circuit at t=0. Determine voltage across resistor and capacitor. 5. State MassAction law. 6. Define diffusion capacitance. 7. Define Base width modulation and bring out its consequences. 8. Mention the advantages of MOSFET over JFET. 9. Draw the two transistor model of an SCR with its characteristic curve. 10. Under what principle does a photo voltaic cell work?
PART B — (5 × 16 = 80 Marks)
11. (a) (i) Use Thevenin's theorem to find the current through 5 resistor (Marks 8) (ii) Find the voltage across 2 resistor in fig.6 by using super position theorem. (Marks 8) Or (b) (i) Determine current flowing through the 5 resistor in the circuit Norton theorem. (Marks 8) (ii) Determine the maximum power delivered to the load in the circuit (Marks 8)
12. (a) (i) Find the complete solution for the current in a RLC circuit for a sinusoidal input. (Marks 8) (ii) The circuit consists of R = 10, L = 0.5 H and C = 200 µ F. If the switch is closed when f = 30°. Determine the current equation. (Marks 8) Or (b) (i) Consider the single tuned circuit 1. Resonant frequency 2. Output voltage at resonance and 3. Maximum output voltage. Assume Rs>>wrL, and k=0.9. (Marks 8) (ii) With neat diagram, obtain gain of a double tuned amplifier with critical value of mutual inductance. (Marks 8)
13. (a) (i) State continuity equation and prove that concentration of changes is independent of time with zero electric field. (Marks 8) (ii) With neat diagram, explain the formation of PN junction and derive its depletion width. (Marks 8) Or (b) (i) What is the breakdown mechanism found in Zener diode? Explain it with neat diagram. (Marks 8) (ii) Write detailed notes on space charge and diffusion capacitance. (Marks 8)
14. (a) Explain the construction and working principle of a JFET and obtain its characteristic parameters. (Marks 16) Or (b) Explain the operation of a Depletion mode MOSFET and its comparison over enhancement MOSFET with neat diagrams. (Marks 16)
15. (a) Discuss the construction and operation of a Tunnel Diode with neat energy band diagram. (Marks 16) Or (b) Write detailed notes on: (i) DIAC and TRIAC (Marks 5) (ii) Photodiode and Phototransister (Marks 5) (iii) LED and LCD (Marks 6)

ECE dept  Anna university: HOME
3RD SEMESTER: Electronic circuits 1 APR/MAY 2008 Data structure
NOV/DEC 2007 Electromagnetic fields .,Electrical mechanics ,Integrated circuits ........... 

EEE dept  Anna university:
HOME
Third Semester  3rd: ELECTRICAL MACHINES I
MAY/JUN2007 ELECTRICAL MACHINES APRIL/MAY 2008 EDC ,M3 ,ELEc....... 

Computer science  Anna university: COMPUTER SCIENCEANNA UNIVERSITY FULL
SYLLABUS DOWNLOAD Third Semester  DATA STRUCTURES (CS1151) ,OOPS , system software,data struct... 

Information Technology  Anna university: INFORMATION TECHNOLOGY
Third Semester  3rd: DATA STRUCTURES ,OOPS NOV/DEC 2007
MAY/JUNE 2007 APRIL/MAY 2008 OB...


MECHANICAL dept Anna university:
Sem3:Fluid Mechanics and Machinery,Engineering Thermodynamics..Sem4: Heat and Mass Transfer, Manufacturing Technology – II..Sem5:Thermal Engineering, Dynamics of Machinery .....etc Question papers


Final Year Project Face Recognition:
This
Project is developed in java.It is an IEEE paper "Face Recognition
Using Laplacian faces(2005ieee). How to Run: Open commend prompt...


CIVIL dept Anna university:
Que papers for SEM 3:Mechanics of Solids,Mechanics of Fluids,Construction Techniques,SEM 4:Soil Mechanics, Strength of Materials,Applied Hydraulic Engineering , SEM5: Irrigation Engineering,Structural Analysis I, Foundation Engineering,SEM6: Structural Analysis – II, Design of Steel Structures ...........


