Class 12 NCERT • Physics Part 2 (New Syllabus)
Physics Part 2 Ch 14: Semiconductor Electronics
Select a topic or study module below to explore classification of metals, conductors and semiconductors, intrinsic and extrinsic semiconductors, p-n junction diode, semiconductor devices (LED, photodiode, solar cell), junction transistors, digital electronics and logic gates, and comprehensive textbook numerical solutions.
Topic 01 • Energy Bands in Solids
Exploring Valence Band, Conduction Band, Energy Gap, and Distinction Between Metals, Insulators, and Semiconductors
Topic 02 • Intrinsic & Extrinsic Semiconductors
Analyzing Pure Silicon/Germanium, Doping, n-Type and p-Type Semiconductors, and Majority/Minority Charge Carriers
Topic 03 • p-n Junction Diode
Studying Depletion Region, Potential Barrier, Forward Bias, Reverse Bias, and Diode V-I Characteristics
Topic 04 • Diode as Rectifier
Investigating Half-Wave Rectifier, Full-Wave Rectifier, Circuit Diagrams, Input AC, and Pulsating Output
Topic 05 • Special Diodes
Examining Light Emitting Diodes (LED), Photodiodes, Zener Diodes as Voltage Regulators, and Solar Cells
Topic 06 • Junction Transistor
Analyzing n-p-n and p-n-p Transistors, Emitter, Base, Collector Regions, Biasing, and Current Gain Relations
Topic 07 • Digital Electronics & Logic Gates
Studying Boolean Algebra, OR, AND, NOT, NAND, NOR Gates, Truth Tables, and Integrated Circuits (ICs)
Module 08 • Solutions & Numericals