CBSE Class 12 Physics – Chapter 14 Semiconductor Electronics Materials Devices And Simple Circuits- Study Materials

Semiconductor Electronics is the most important chapter of CBSE Class 12 Physics. Every year 3-4 questions are asked in CBSE class 12 physics board examination having weightage of about 7 marks. The chapter is very broad and contains many topics & subtopics. We have divided this chapter into three parts. This is the Part -I of these notes where we have provided easy to understand short notes on the following topics and sub-topics:

  • Classification of Substances
  • On the basis of conductivity
  • Classification of Substances
  • On the basis of energy band gap
  • Intrinsic Semiconductor & Extrinsic Semiconductor
  • N-type Semiconductors & P-type Semiconductor

The short notes given below on the above-mentioned topics and sub-topics are very important for board examination as well as competitive examination.

Classification of Substances: On the basis of conductivity

Classification of Substances: On the basis of energy band gap

 

Intrinsic Semiconductor & Extrinsic Semiconductor

o   P – N Junction

o   P – N Junction under Forward Bias

o   P – N Junction under Reverse Bias

o   Junction Diode as Rectifier

•   Half Wave Rectifier

•   Full Wave Rectifier

o    Types of Junction Diodes

•    Zener Diode

•    Photodiode

•    Light Emitting Diode (LED)

•    Solar Cell

The short notes given below on the above-mentioned topics and sub-topics are very important for board and competitive examinations.

 

P – N Junction

P – N Junction under Forward Bias

CBSE Class 12th Syllabus 2016 – 2017

P – N Junction under Reverse Bias

Junction Diode as Rectifier

 

Types of Junction Diodes

In Part – I and Part – II of Chapter Notes on Semiconductor Electronics, we have covered important concepts such as Intrinsic Semiconductor & Extrinsic Semiconductor, N-type Semiconductors & P-type Semiconductor, P – N Junction under Reverse Bias & Forward Bias, Half Wave & Full Wave Rectifier and important types of diodes such as Zener Diode, Photodiode, Light Emitting Diode etc. Now, in this part we will cover the following concepts:

o   Junction Transistor

o   Common Base Configuration

o   Common Emitter Configuration

o   Common Collector Configuration

The notes given below on above-mentioned topics are very important for board and competitive exams.

Junction Transistor

Common Base (CB) Configuration

Common Emitter (CE) Configuration

Common Collector (CC) Configuration

In Part – I, Part – II and Part – III of chapter notes on CBSE Class 12 Semiconductor Electronics, we have covered most of the important concepts. In last and IVth part we will come some more important concepts. Questions based on these concepts are asked frequently in CBSE Class 12th Physics Examination.
The concepts covered in this part are:
o    Transistor as a Switch
o    Transistor as an Amplifier
o    Common Emitter Amplifier Circuit
o    Feedback Amplifier
o    Transistor as an Oscillator
o    Digital Electronics & Logic Gates
These topics are important for CBSE board and competitive examinations.

Transistor as a Switch

Transistor as an Amplifier

Common Emitter Amplifier Circuit

Feedback Amplifier

CBSE Class 12 Physics Important Questions Chapter 14 – Semiconductor Electronic: Material, Devices And Simple Circuits

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