Calicut University 2006-2nd Sem B.E Electronics and Instrumentation Engineering COMBINED FIRST ANDB.TECH.(ENGINEERING) - BASIC ELECTRONICS - Question Paper

C 20168

COMBINED 1st AND 2nd SEMESTER B.TECH.(ENGINEERING)DEGREE EXAMINATION, JUNE 2006
EC 04 108 BASIC ELECTRONICS
(For EC,BM,BT,AI,IC)

Time: 3 Hours Maximum:100 Marks

ans all ques..

I.

1. Explain magnetic focusing.

2. How does multimeter measure current? discuss.

3. What are the characteristics of inductor?

4. Draw the d.c model of a zener diode and discuss.

5. Why is biasing required? elaborate the different kinds of biasing?

6. How is two point chosen? discuss.

7. Why does PIV differ for various rectifiers?

8. Which kind of filter is independent of load? Why?

(8 x 5=40 marks)

II.

1. Explain, in detail, the electron motion in perpendicular electric and magnetic fields?

Or

2. Quantitatively discuss electrostatic and magnetic deflection sensitivities.

III.

1. What are the various kinds of capacitors? discuss their characteristics.

Or

2. What are 3 configurations of a BJT amplifier? Compare the 4 important parameters of all the three.

IV.

1. Why is the operating point called so? How is this important in the analysis of amplifiers?

Or

2. What are the various compensation circuits used in BJT amplifiers? discuss any two.

V.

1. Draw a center tapped FWR and bridge kind FWR diagrams and discuss their operation. Why is bridge kind preferred?

Or

2. Draw a series voltage regulator with short circuit protection and discuss the operation.

(4 x 15 = 40 marks)

Earning:   Approval pending.