EDC question Bank -1

part a 
1.explain the salient features of scr
2. difference between depltn and enhqncement mosfet
3. difference b/w ujt and bjt
4. advantge of push pull amp.
5. various methods of biasng the transistr
6. diff. b/w positve and negative feedbck
7. diff. b/w rc phase shift oscillator and lc oscilltr
8. diff bw astable and monostable multi vibratr
9. app. of an oscillator
10. methods to trigger monostable multivibratr
11. app. of 555 timer
12. characteristics of op amp
13. explain the logic for multiplng two signals usg op amp
14. why op amp is usd in arthmetic operations
15. give the efficieny formula fr power amplifier.

part b
1. explain the characteristics of mosfet
2. charactstics of jfet
3. explain dc and ac analysis of CE amplifier
4. explain the f response of tuned amplifier . a)list out the diff. types of negative feedbck and explain it wid an example b) explain the effect of feed back on ac charactrstics of amp. in details
5. what is an oscillatr? what are the diff types of oscillatr?explain the analysis of rc phase shift oscillatr in detail
6. explain in detail abt astable and monostable multivibrtr
7. explain in detail abt 555 timer . a) drw the block diagrm of op amp and explain it b) explain abt currnt to voltage and voltage to current convertr.