2. ELECTRONICS P.MUNIREDDY GOVT.H.S, SANTHIPURAM

3. BAND THEORY OF SOLIDS INTRINSIC and EXTRINSIC SEMICONDUCTORS JUNCTION DIODE –PROPERTIES AND USES TRANSISTORS –PROPERTIES AND USES RADIO and T.V -BASIC PRINCIPLES OF WORKING COMPUTER- BASIC PRINCIPLES OF WORKING Topics in electronics

4. Band Theory of solids

5. Conduction band Valence band Conduction band Valence band Conduction band EGEG EGEG Insulator Conductor Semiconductor > 3 eV 1 eV

6. Formation of hole Conduction Band Valence Band

7. Formation of hole Movement Conduction Band Valence Band

8. ELECTRIC CONDUCTION IN INTRINSIC SEMICONDUCTORS

9. Charge carriers in semiconductors P-type semiconductor N-type semi conductor

10. JUNCTION DIODE - PROPERTIES and USES

11. Types of semi conductors P-type semi conductor N- Type semi conductor

12. P-type semiconductors Ge Ga Ge

13. n-type semiconductors Ge P

14. Formation of p- n junction P-type and n- type semiconductors Recombination of electrons and holes during the formation of junction

15. Depletion region P-n junction diode with depletion region

16. Structure of junction diode P- n junction diode

18. Reverse bias condition

19. TRANSISTORS – PROPERTIES and USES Two types of junction transistors

20. RADIO and TELEVISION Basic principles of working Radio broad casting and reception

21. WORKING OF T. V

22. Computer - basic principles of working Black diagram of computer

23. C.P.U In side and side c.p.u.

25. acknowledgement 10 th class text book.www.users.bigpond.com.www.users.bigpond.com www.citycolligiate.comwww.citycolligiate www.tpub.com www.bestanimation.com www.fortunecity.com www.k-12 solid state physics.comwww.k-12 WWW.K-12 physics.comWWW.K-12