CBSE 12 Physics Part 2 | 14. SEMICONDUCTOR ELECTRONICS: MATERIALS, DEVICES AND SIMPLE CIRCUITS by Pavan | Learn Smarter
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14. SEMICONDUCTOR ELECTRONICS: MATERIALS, DEVICES AND SIMPLE CIRCUITS

14. SEMICONDUCTOR ELECTRONICS: MATERIALS, DEVICES AND SIMPLE CIRCUITS

The chapter covers semiconductor electronics, introducing the fundamental concepts of semiconductors, their classifications, and how doping alters their properties. It also explains the formation and behavior of p-n junctions and their applications in diodes and rectifiers.

17 sections

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Sections

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  1. 14
    Semiconductor Electronics: Materials, Devices And Simple Circuits

    This section provides an overview of semiconductor electronics, discussing...

  2. 14.1
    Introduction

    This section introduces semiconductor electronics, contrasting them with...

  3. 14.2
    Classification Of Metals, Conductors And Semiconductors

    This section classifies materials based on conductivity, detailing the...

  4. 14.2.1
    On The Basis Of Conductivity

    This section discusses the classification of materials based on their...

  5. 14.2.2
    On The Basis Of Energy Bands

    This section explains the formation of energy bands in solids and their...

  6. 14.3
    Intrinsic Semiconductor

    This section explains the properties and behavior of intrinsic...

  7. 14.4
    Extrinsic Semiconductor

    Extrinsic semiconductors are formed by doping intrinsic semiconductors with...

  8. 14.4.1
    N-Type Semiconductor

    This section explores n-type semiconductors, highlighting how doping with...

  9. 14.4.2
    P-Type Semiconductor

    A p-type semiconductor is created by doping a semiconductor material with...

  10. 14.5
    P-N Junction

    The p-n junction is a crucial component in semiconductor devices, formed by...

  11. 14.5.1
    P-N Junction Formation

    The section discusses the formation of a p-n junction in semiconductors,...

  12. 14.6
    Semiconductor Diode

    The semiconductor diode is a fundamental electronic component formed by a...

  13. 14.6.1
    P-N Junction Diode Under Forward Bias

    This section discusses the behavior of a p-n junction diode when forward...

  14. 14.6.2
    P-N Junction Diode Under Reverse Bias

    The p-n junction diode under reverse bias allows minimal current flow while...

  15. 14.7
    Application Of Junction Diode As A Rectifier

    This section discusses how junction diodes function as rectifiers by...

  16. 14.8

    This section summarizes the main points discussed in semiconductor...

  17. 14.9

    This section presents a variety of exercises to reinforce learning about...

What we have learnt

  • Semiconductors are essential for modern electronic devices due to their unique electrical properties.
  • Doping can transform intrinsic semiconductors into more conductive extrinsic types, specifically n-type and p-type semiconductors.
  • p-n junctions are crucial components in electronic devices, influencing how diodes rectify voltage.

Key Concepts

-- Semiconductors
Materials with conductivity between conductors and insulators, critical for electronic applications.
-- Doping
The process of adding impurities to semiconductors to enhance their electrical properties.
-- pn Junction
A junction formed between p-type and n-type semiconductors, fundamental in the functioning of diodes.
-- Intrinsic and Extrinsic Semiconductors
Intrinsic semiconductors are pure materials, while extrinsic semiconductors are doped with impurities to modify their conductivity.

Additional Learning Materials

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