Electrostatics
Coulomb Law and Electric Field Study Material

Learning objectives
• The nature of electric charge, and how we know that electric charge is conserved
• How objects become electrically charged.
• How to use Coulomb’s law to calculate the electric force between charges.
• The distinction between electric force and electric field.
• How to calculate the electric field due to a collection of charges.
• How to use the idea of electric field lines to visualize and interpret electric fields.
• How to calculate the properties of electric dipoles.
List of topics

• Electric Charge
• Properties of Charge
• Various Methods of Charging a body
• Charging by rubbing /frictional electricity
• Charging by Conduction
• Charging by Induction
• Coulomb law
• Electric Field due to dipole at a point on a axial line
• Electric Field due to a short dipole at a general point or at any point
• Electric Field due to uniformly charge of infinite wire
• Electric Field due to circular loop at the point on its axis
• Equilibrium of collinear charges
Gauss law and its applications Study Material
Learning objectives
• What is meant by electric flux, and how to calculate it.
• How Gauss’s law relates the electric flux through a closed surface to the charge enclosed by the surface.
• How to use Gauss’s law to calculate the electric field due to a symmetric charge distribution
• Where the charge is located on a charged conductor
List of topics
•  Electric Field Lines
•  How to draw Electric Field Lines for various charge distributions
•  Properties of Electric Field lines
•  Short coming of Electric Field lines
•  Electric Flux
•  Some important points about Gauss Law
•  Applications of Gauss Law
•  Electric field due to infinitely long wire by using gauss law
•  Numerical problems on Gauss’s Law
Chapter 3 Electric Potential

Learning objectives

How to calculate the electric potential energy of a collection of charges.
• The meaning and significance of electric potential.
• How to calculate the electric potential that a collection of charges produces at a point in space.
• How to use equipotential surfaces to visualize how the electric potential varies in space.
• How to use electric potential to calculate the electric field.

List of topics
•        Electric potential at a point due to point charge
•        Electric potential due to dipole at equatorial plane
•        Electric potential due to dipole at axial line
•        Potential due to short dipole at any point
•        Electric potential due to circular loop at its axis and its center
•        Electric potential energy
•        Potential energy due to system of n charges
•        Electric potential energy of two charges placed in an external field
•        Electric Potential energy difference (U)
•        Torque on a dipole in uniform Electric field
•        Force on dipole in non-uniform Electric field
•        Potential Energy  of dipole in uniform electric field
•        Relation between Electric Field and Electric Potential
•        Potential at point and Electric Field
•       Electric Potential due to a charged spherical shell
•       Behavior of conductor in electric field
•       Electrostatic shielding
•       Applications of Electrostatic shielding

Chapter 4 Capacitance  Study Material

Learning objectives
• The nature of capacitors, and how to calculate a quantity that measures their ability to store charge.
• How to analyze capacitors connected in a network.
• How to calculate the amount of energy stored in a capacitor.
• What dielectrics are, and how they make capacitors more effective.
List of topics
• Behavior of Dielectric in external electric field
• Dielectric or Insulator
• Types of dielectrics
• Behavior of Dielectric in external electric field
• Polarisation Vector
• Electric susceptibility
• Atomic Polarisability
• Dielectric Constant
• Dielectric Strength
• Relation Between dielectric constant and susceptibility
• Capacitance
• Capacitance of an isolated conductor
• Capacitance of isolated spherical conductor (hollow /solid)
• Capacitor
• Capacitance of Capacitor
• Parallel plate Capacitor
• Capacitance of Parallel plate capacitor
• Capacitance of Parallel plate capacitor with dielectric slab
• Capacitance of parallel plate capacitor, partially filled with metal slab
• Combination of capacitors
• Some important points about parallel combination
• Identification of some common series and parallel combination
• Energy stored in a capacitor
• Energy Density
• Energy stored in Parallel combination
• Common potential and sharing of charges Loss of Energy on sharing charges by two capacitors
THE PDF FILES UPLOADED HERE CONTAINED ALL THE TOPICS WHICH ARE ESSENTIAL FOR CBSE, NEET AND IITJEE EXAMS. THE LEVEL OF PROBLEMS IS FOR CBSE AND NEET EXAMINATION. THE NOTES ARE SUFFICIENT FOR ANY STATE BOARD EXAMINATION AND CBSE.

Electrostatics- Study material IITJEE, NEET, CBSE Reviewed by Dr H. Singh on March 22, 2020 Rating: 5