Mahatma Gandhi University (MGU) 2011-2nd Sem B.Tech Electrical Engineering , model combined first &ster - Question Paper

every ques. carries three marks.

1. List the advantages of Integrated Circuits.
2. discuss the needs for modulation.
3. describe hand off in mobile communication.
4. discuss Strain gauge.
5. Which kind of architecture 8085 has? Explain?


Part B

ans all ques..

every ques. carries five marks

6. A variation of five µA in the base current produces a change of 1.2 mA in the collector current.
Collector to emitter voltage remains fixed during this variation. compute the current
amplification factor ßdc.
7. For the circuit shown below, obtain the (i) load current IL (ii) Zener diode current IZ. The break
down voltage of Zener diode is 12V.






8. Derive the formula for modulation index in AM.
9. Derive the gauge factor for Strain gauge.
10. discuss the concept of Operating system? discuss various kinds of operating systems?





Part C

ans any 1 ques. from every module

every full ques. carries 12 marks.

MODULE one

11. With neat circuit diagram discuss the working of RC coupled amplifier and its frequency
response.


OR

12. define bridge rectifier with filter circuit and derive an expression for rectification efficiency.




MODULE two



13. With a neat block diagram discuss super heterodyne receiver.


OR

14. discuss with block schematic satellite communication.




MODULE three



15. Write short notes on a) LVDT b) Thermistor


OR

16. define the block schematic of PAL TV receiver.




MODULE four



17. discuss various kinds of memory and input output devices?


OR

18. discuss the concept of single bus and multi bus organization with neat diagram?




MODULE five



19. discuss the difference ranging from Procedure Oriented Programming and Object Oriented
programming with examples?


OR

20. discuss
i) Low Level Languages
ii) IP Addresses
iii) Domain Name System

Earning:   Approval pending.