Class 12 Physics || Chapter 1 Electric Charges and Fields

  • Electric Charges and Their Properties
  • Coulomb’s Law and Superposition Principle
  • Electric Field, Electric Flux and Electric Dipole
  • Gauss’s Law and its Applications

Electric Charges and Their Properties

Electric Charges

Types of Charge

Conductors and Insulators

Methods of charging

Basic Properties of Electric Charge


Coulomb’s Law and Superposition Principle

Coulomb’s Law

Super Position Principle

Continuous Charge Distribution

Electrostatic Force due to Continuous Distribution of Charge


Electric Field, Electric Flux and Electric Dipole

Electric Field

Electric Field intensity due to a Point Charge

Electric Field Intensity due to a Group of Charges

Electric Field Intensity due to Continuous Distribution of Charges

Electric Field Lines

Properties of electric field lines

Area Vector

Electric Flux

Electric Dipole

Electric Field Due to a Dipole

Electric Dipole in a Uniform Electric Field


Gauss’s Law and its ApplicationsGauss’s Law in Electrostatics

Proof of Gauss’s Law

Deduction of Coulomb’s Law from Gauss’s Law

Application of Gauss’s Law

Electric field intensity due to an infinitely long straight uniformly charged wire

Electric field intensity due to a uniformly charged conducting spherical shell

Electric Field Intensity due to a non conducting charged solid sphere

Electric field Intensity due to a thin plane sheet of charge

Electric field intensity due to two thin infinite plane parallel sheets of charge

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