Calicut University 2006 B.Tech Electronics and Communications Engineering BASIC ELECTRONICS - Question Paper

COMBINED 1st AND 2nd SEMESTER B.Tech (ENGINEERING)

DEGREE EXAMINATION, DECEMBER 2006



EC 04 108 – BASIC ELECTRONICS

[EC, BM, BT, AI, IC]

[2004 admissions]

Time: 3 Hours Maximum: 100 Marks

ans all ques.

every accurate ans carries five marks


1. W hat is electron ballistics?

2. How does multimeter measure voltage? discuss.

three elaborate the characteristics of inductor?

4. Bring out the differences in the reverse bias characteristics of ordinary junction diode and zener diode. Why do the differences exist?

5. What is the effect of Q-point location on allowable signal swing?

6. How is Q-point chosen? discuss

7. Why is transformer utility factor of half wave rectifier and center tapped full wave rectifier lesser than bridge kind rectifier?

8. What is the drawback of C filter? How is it rectified?


ans all ques.

every accurate ans carries 15 marks



1. Explain the principle of operation of pentode.

OR


2. What are the 2 focusing used in CRTs? discuss.

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

OR

4. Draw the 2 kinds of biased clippers and discuss their operation.

5. Analyse the operation of BJT graphically.

OR

6. What are the various compensation circuits used in BJT amplifiers? discuss

any two.

7. Define and compare the subsequent for a HWR and a center tapped FWR :

Ripple factor , PIV , efficiency and rectification factor

OR
8. What is pi-filter ? Emphasize its importance.
.

Earning:   Approval pending.