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EC2151 EDC Chapter 1 IMPORTANT QUESTION - 16marks and 2marks
#1


16 MARKS FOR EDC QUESTION ( THIS ALL QUESTIONS ARE CAME FROM ANNA UNIVERSITY PREVIOUS YEAR QUESTION PAPER)

CHAPTER NO.1 TRANSISTER

1. WORKING OF MOSFET AND PRINICIPLE AND TYPES WITH TRANSFER AND DRAIN CHARACTERTICS
2. WORKING OF JFET
3. EXPLAIN CONFIGURATION OF BJT IN DETAIL WITH REQUIRED DIAGRAM
4. DEFINE AND COMPARE AND EXPLAIN ALPA BETA GAMMA
5. EXPLAIN CE CONFIGURATION OF BJT WITH REQIRED DIAGRAM
6. EXPLAIN CB CONFIGURATION OF BJT WITH REQIRED DIAGRAM
7. EXPLAIN CC CONFIGURATION OF BJT WITH REQIRED DIAGRAM
8. DISTINGUISHED BETWEEN CB CC AND CE.
9. EXPLAIN FET WITH REQUIRED DIAGRAM?
10. SKETCH AND EXPLAIN CONSTRUCTION OF P- CHANNEL JFET.GIVE ITS SYMBOL?
11. MAKE A COMPARISON OF N-CHANNEL JFET AND P-CHANNEL JFET SKETCH THE BASIC CIRCUITS FOR BOTH?
12. SKETCH AND EXPLAIN THE DRAIN-CHARACTERISTICS AND TRANSFER- CHARACTERISTICS OF P-CHANNEL JEFT?

TWO MARKS

1. WHAT IS EARLY EFFECT ? WHAT OTHER NAME? EFFECT
2. STATE THE RESION FOR NON UNIFORM THICKNESS OF DEPLETION LAYER IN FET?
3. WHAT ARE THE DIFFERENCE BETWEEN JFET AND BJT?
4. WHAT IS BRAKE DOWN IN TRANSISTER?
5. COMPARE BJT AND MOSFET ?
6. WHAT IS WORKING PRINCIPLE OF MOSFET?
7. WHAT IS AN TRANSISTER?
8. WHAT IS TRANS CONDUCTANCE IN JFET?
9. DRAW THE SYMBOL OF P –CHANNEL OF MOSFET?
10. IN ORDER TO OPERATE TRANSISTER IN THE ACTIVE REGION WHAT KIND OF BIASING IS GIVEN TO THE JUNCTION?
11. WHEN A FET ACTS AS A VOLTAGE VARIABLE RESISTER?
12. COMPARE P-CHANNEL AND N-CHANNEL JFET?
13. WHAT IS THERMAL RUNAWAY IN SEMICONDUCTOR DEVICES?
14. IN A COMMON BASE CONNECTION , THE EMITTER CURRENT IS 1mA, ICBO = 50 uA , ALPHA =0.92.FIND THE TOTAL COLLECTOR CURRENT ?
15. MENTION THE DISADVANTAGE OF JFET COMPARED TO BJT?
16. WHAT IS LARGE SIGNAL CURRENT GAIN?
17. DEFINE BASE WIDTH MODULATION AND bring out its consequences?
18. SKETCH THE SYMBOL OF TRANSISTORS AND MARK THE CURRENT DIRECTIONS?
19. MENTION ADVANTAGE OF MOSFET OVER JFET?
20. COMPARE BJT AND FET IN DETAIL ?
21. DRAW THE EBERS –MOLL MODEL OF PNP TRANINSTOR ?
22. EXPLAIN WHY DEPLETION REGION IN A JFET IS TAPERED?
23. WRITE EBERS –MOLL EQUATIONS OF A TRANINSTER ?
24. EXPLAIN PARAMETER FOR C.B,C.E,C.C?
25. EXPLAIN THERMAL EFFECT OF MOSFET IN DETAIL (8 MARKS)?

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