B.E/B.TECH DEGREEE EXAMINATION NOV/DEC 2009
ELECTRICAL AND ELECTRONICS
EE 26 – BASIC ELECTRICAL AND ELECTRONICS ENGINEERING
(Common to Civil, Mechanical and Technology)
Answer all questions
PART-A (10×2=20 Marks)
1. Define Kirchoff’s law.
2. List different types of control and damping systems used in instruements.
3. Write the emf equation of transformer.
4. List various types of applications of D.C generator.
5. Draw the characteristics of PN junction diode.
6. Why CE Configuration is used in Amplifier circuits.
7. What is half adder?
8. Draw the diagram and truth table for RS flip flop.
9. Draw the block diagram of communication system.
10. Draw the block diagram of basic radio transmission system.
PART-B (5×16=80 Marks)
11. a) Obtain expression for current , voltage and power of series RLC A.C Circuit.
OR
b) With neat sketch explain construction and working of Moving coil instruments.
12. a) Describe with neat sketch construction and working principle of D.C Machine.
OR
b) Explain with neat sketch construction and working of Single phase transformer.
13. a) Draw circuit diagram and explain zener diode characteristics.
OR
b) Explain the input and output characteristics of a common emitter configuration.
14. a) Explain with circuit, principle and working of JK flip flop.
OR
b) Describe a four bit synchronous binary counter and timing diagram.
15. a) Explain principle of amplitude modulation and obtain expression of AM single.
OR
b) With neat sketch explain operating principle of Fax system.