Electrostatics Notes for Class 12
Hello, readers ! Here on this webpage you can learn important concepts of 12th Physics Unit-01 ‘Electrostatics’ . Here you can read class notes, NCERT question solutions, NCERT in-text question solutions, other important question-answers and can participate in quizzes. Electrostatics Notes for Class 12
Electrostatics
Electrostatics is the branch of physics in which we study about charge at rest condition.
Electrostatics focuses on the phenomena arising from electric charges at rest without considering their motion or current flow. In electrostatics, we study the behaviour of materials, finding electrostatic force or field, electric dipoles and their behaviour in an electric field, and some devices like capacitors, Van de Graaff generators, etc. based on the principle of electrostatics.
Electrostatics INDEX
| Sr No. | TOPIC |
|---|---|
| Chapter–1: Electric Charges and Fields | |
| 1 | Electric charges and Properties of charge |
| 2 | Electrostatic force / Coulomb’s law-force between two-point charges, forces between multiple charges: superposition principle |
| 3 | continuous charge distribution. |
| 4 | Electric field, electric field due to a point charge |
| 5 | Electric field lines |
| 6 | Electric dipole, Electric field due to an Electric Dipole at Axial Point |
| 7 | Electric field due to an Electric Dipole at equatorial Point |
| 8 | torque on a dipole in uniform electric field. |
| 9 | Electric flux |
| 10 | statement of Gauss’s theorem and its proof |
| Chapter–2: Electrostatic Potential and Capacitance | |
| Conductors and insulators, | |
| Capacitors and capacitance, Combination of capacitors in series and in parallel, |
applications Gauss’s theorem to find electric field due to infinitely long straight wire,
applications Gauss’s theorem to find electric field due to uniformly charged infinite plane sheet
applications Gauss’s theorem to find electric field due to uniformly charged thin spherical shell (field inside and outside).
Electric potential, potential difference, electric potential due to a point charge, a dipole and system of charges; equipotential surfaces, electrical potential energy of a system of two-point charges and of electric dipole in an electrostatic field.
free charges and bound charges inside a conductor.
Dielectrics and electric polarization,
capacitance of a parallel plate capacitor with and without dielectric medium between the plates,
energy stored in a capacitor (no derivation, formulae only).
Table of Contents
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