AU R2004 EC1211 Electronic Devices May June 2014 Question Paper

[aaru]

   

Question Paper Code : 53366 

B.,E./B.Tech. DEGREE EXAMINATION, MAY/JUNE 2014. 

Third Semester 

Electrical and Engineering 

EC 1211 ELECTRONIC DEVICES 

(Common to Second/Third Semester Electronics and Instrumentation Engineering and Instrumentation and Control Engineering) 

(Regulation 2004/2007) 

(Common to B.E (Part-Time) Second Semester, Electrical and Electronics Engineering, Regulation 2005) 

Time : Three hours 
Maximum : 100 marks 

Answer ALL questions. 
PART A — (10 x 2 20 marks) 
1.What is reverse recovery time of diode? 
2.What is the effect of temperature increase in reverse satiation current? 
3.Draw the h-parameter model of CE amplifier configuration. 
4.What is early effect? 
5.Define pinch-off voltage. 
6.If the VGS of a n-channel JFET is increased negatively, what happens to the drain current ID 2 
7.What are the advantages of LCD?
8.What is an opto coupler? 
9.What is holding current of SCR? 
10.Draw the symbol of TRIAC and thermistor. 

Full Name :Arumugam.P
College Name :SNS College Of Technology
Department :EEE
Semester :03
Subject Code :EC1211
Subject Name :Electronic Devices
Study Material Description :QP

Attachment :

  ED MJ2014 QP.pdf (Size: 1.5 MB / Downloads: 180)

[Srini]

+1