2006 Mahatma Gandhi University B.Tech Electronics Engineering Basic Electronics Engineering Question paper for exam preparation. Question paper for 2006 Mahatma Gandhi University B.Tech Electronics Engineering Basic Electronics Engineering Question paper, Exam Question papers 2000 2001 2002 2003 2004 2005 2006 2007 2008 2009 2010 2012 university in india question papers. SiteMap
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2006 Mahatma Gandhi University B.Tech Electronics Engineering Basic Electronics Engineering Question paper

University Question Papers
2006 Mahatma Gandhi University B.Tech Electronics Engineering Basic Electronics Engineering Question paper

B.TECH. DEGREE EXAMINATION, MAY/JUNE 2006

First and Second Semester

BASIC ELECTRONICS ENGINEERING

(2002 admission onwards – Regular / Supplementary)

[Common for all branches]

Time : Three Hours Maximum : 100 Marks

Answer all questions.

Part A

1. Describe the construction and applications of general purpose wirewound potentiometers.
2. Compare the VI characteristics of Si and Ge diodes.
3. Explain the working of a two diode full-wave rectifier.
4. Draw the necessary signals to obtain frequency modulation and modulated wave.
5. What is the importance of modulation index in deciding over modulation under modulation and 100% modulation ?
6. What are universal gates? Explain.
7. What is a strain gauge? Explain gauge factor.
8. Explain how hexadecimal and octal numbers are converted into binary and decimal form.
9. What is an operating system? Give examples.
10. Draw the block diagram of a mobile communication system and explain.
(10 X 4 = 40 marks)

Part B

11. (a) Describe the different types of ceramic capacitors their characteristics and applications.
Or
(b) Describe the Carbon composition resistor, its colour coding and tolerance.

12. (a) Explain the working principle of a PNP transistor. Mention three important uses of a transistor.
Or
(b) Explain the terms (i) P type, N type materials, Barrier potential and the reason for the development of this potential, depletion region.

13. (a) Explain bridge rectifier with capacitor filter. What is the expression for ripple factor for this circuit?
Or
(b) For a two diode full-wave rectifier derive the value of ripple factor.

14. (a) Draw the block diagram of AM transmitter and explain. Also explain the principle of AM generation.
Or
(b) Draw the simplified block diagram of a Monochrome TV receiver and explain.

15. (a) Explain the principle of working of microphone and loudspeaker.
Or
(b) Explain compilers and assemblers.
(5 X 12 = 60 marks)




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