HSC 2027 PHYSICS CHAPTER 16 SEMICONDUCTORS
MOST EXPECTED QUESTIONS
1. WHAT IS RECTIFIER . WHAT IS LOGIC GATE
2. EXPLAIN WORKING OF HALF WAVE RECTIFIER WITH NEAT DIAGRAM
3. EXPLAIN WORKING OF FULL WAVE RECTIFIER WITH NEAT DIAGRAM
4. DRAW INPUT / OUTPUT WAVEFORMS OF HALF & FULL WAVE RECTIFIER
5. WHAT IS LED .EXPLAIN ITS WORKING . DRAW ITS CIRCUIT SYMBOL
6. STATE 4 ADVANTAGES OF LED
7. WHAT IS VOLTAGE REGULATION. EXPLAIN ZENER DIODE AS VOLTAGE REGULATOR
8. EXPLAIN WORKING OF NPN TRANSISTOR IS COMMON BASE CONFIGURATION
9. EXPLAIN WORKING OF NPN TRANSISTOR IS COMMON EMITTER CONFIGURATION
10. DEFINE CURRENT GAIN ALPHA DC & BETA DC FOR A TRANSISTOR
11. OBTAIN THE RELATION BETWEEN ALPHA & BETA DC
12. WHY NOT GATE IS ALSO CALLED AS INVERTER
13. WRITE TRUTH TABLE , SYMBOL AND BOOLEN EXPRESSION FOR ALL LOGIC GATES
14. RELATION BETWEEN BASE & EMITTER CURRENT IN CE AMPLIFIER
15. PHASE DIFFERENCE BETWEEN INPUT/OUTPUT SIGNAL IN CE AMPLIFIER
16. SOLVE ALL TEXTBOOK AND PYQ NUMERICALS