UNIT 5 : SEMICONDUCTOR DIODES


UNIT 5

SEMICONDUCTOR DIODES


SHORT ANSWER QUESTIONS :

1) Specifications of PN diode ?
2) Short notes on PN & zener diode ?
3) VI charactristics of PN & zener diode ?
4) Applications of PN & zener diode ?
5) Difference between Zener & Avalanche breakdowns ?
6) Specifications of Zener diode ?
7) Explain reverse breakdown phenomenon ?

ESSAY TYPE QUESTIONS : 

1) Formation & working of PN diode ? draw the symbole for PN diode ?
2) Short notes on biasing of PN diode ?Explain VI charactristics of PN diode ?
3) Define Zener diode ? Draw the symbole for zener diode ? State the features of zener ?
4) Construction& Working of Zener diode ? Explain VI charactristics of PN diode ?

Comments

Post a Comment

Popular posts from this blog

UNIT 3 : PCB's

  UNIT 3  PCB's SHORT ANSWER QUESTIONS  1)   What is meant by PCB ? 2) Classify PCB's and list types of laminates used in PCB's ? 3) Explain the need of PCB in electronic equipment ? 4) List the steps involved in making PCB's ? 5) What is meant by soldering ?  List the soldering methods of PCB's ? 6)  List the steps involved in screen-printing for making PCB's ? 7) Define  Surface mount Technology (SMT) ? ESSAY TYPE QUESTIONS  1) a) What is meant by PCB ?     b) Need for PCB ?     c) Advantages of PCB ?     d) Classification of PCB ? 2) a) Steps involved in preparation of PCB ?     b) Types of lamination's used in PCB ?     c) Short notes on ETCHING & PRINTING ? 3) a) Explain screen printing method ?     b) Short notes on DRILLING & MOUNTING ? 4) a) Define SMT ?     b) Define Soldering ?     c) Materials used in soldering ?     d) ...
Read more

UNIT 6 : BJT

  UNIT 6 BJT SHORT ANSWER QUESTIONS : 1) Define transistor ? Draw the symbols for NPN,PNP ? 2) Draw the circuits for CE,CB,CC configuration ? 3) Transistor biasing table for configuration ? 4) Short notes on working of PNP,NPN transistors ? 5) Short notes on Transistor as an Amplifier ?  6) Draw the i/p & o/p Characteristics of CE,CB,CC ? 7) Relation between alpha,beta,gama ? 8) Compare CE,CB,CC ? 9) Short notes on Transistor working as switch ? ESSAY TYPE QUESTIONS :  1) Explain the construction & working of PNP & NPN transistors ? 2) Define  alpha,beta,gama ? R elation between alpha,beta,gama ?  3) (a)   Draw the circuits for CE,CB,CC configuration ?     (b)  Draw the i/p & o/p Characteristics of CE,CB,CC ?     (c)  Compare CE,CB,CC ? 4) (a) Working of Transistor as a switch ?     (b) Define active ,saturation &cut-off region ?     (c) What is meant by emitter follower ?
Read more

UNIT 4 : SEMICONDUCTOR PHYSICS

UNIT 4 SEMICONDUCTOR PHYSICS SHORT ANSWER QUESTIONS : 1)  Distinguish between intrinsic and extrinsic semiconductors? 2) Energy Band diagrams for conductor ,  Semiconductor , insulator? 3) Compare P-type and N-type semiconductors ? 4) Compare conductors, semiconductors and Insulators ? 5) Short notes on Drift and Diffusion currents ? 6)  Energy Band diagrams intrinsic and extrinsic semiconductors   ? 7) Define doping , forbidden energy gap , Fermi level ? ESSAY TYPE QUESTIONS :  1) a) Distinguish between intrinsic and extrinsic semiconductors?     b)  Compare P-type and N-type semiconductors ?     c) Define energy band ,valance band ,  doping , Drift and Diffusion currents ? 2) a) Energy Band diagrams for conductor ,  Semiconductor , insulator?           b) Short notes on intrinsic and extrinsic semiconductors ? 3) a) Explain the formation of P type and N type semicond...
Read more