Electrostatics
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Electric Charge
- properties of charge
- conservation
- quantization
- additivity
- invariance of charge
Coulomb's Law
- force between point charges
- vector form
- principle of superposition
- force in a medium
Electric Field
- electric field intensity
- field due to a point charge
- superposition of fields
- field due to continuous charge distributions (line ring disk)
Electric Field Lines
- properties and patterns
Electric Dipole
- dipole moment
- electric field on axial and equatorial lines
- field at a general point
Dipole in an External Field
- torque on a dipole
- potential energy
- work done in rotating a dipole
Motion of Charged Particles
- in a uniform electric field
Electric Flux
- definition and calculation
Gauss's Law
- statement and proof
Applications of Gauss's Law
- electric field due to a charged isolated conducting plate
- field of a uniformly charged sphere (inside and outside)
- field due to a long uniformly charged cylinder
- field near a uniformly volume-charged plane
Conductors in Electrostatics
- force acting on the surface of a charged conductor
- electrostatic pressure
Solid Angle
- concept
- calculation of solid angle
- relation in half angle of cone
- solid angle enclosed by a closed surface
Electric Potential
- work done to move a charge
- potential and potential difference
- potential due to point and continuous charges
- potential difference in a uniform field
Equipotential Surface
- properties
- finding electric field from potential
Electric Potential Energy
- PE of a system of charges
- PE of charges in an external field
- PE of a single charge in an external field
- PE of two charges in an external field
Potential of Continuous Distributions
- charged conducting sphere
- non-conducting solid sphere (inside and outside)
- uniform line of charge
- ring of charge
- charged disk
Energy of Distributions
- self-energy of a charged spherical shell and uniformly charged sphere
- self and interaction energy of two spheres
Conductors
- earthing of a conductor
- charge distribution on a conductor surface
- uniqueness theorem
- induced charges
Dipole Potential
- potential due to a dipole
- work done and PE of a dipole in a uniform field
- Van de Graaff generator
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- 57 subtopics
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