Electric charges and their
properties: Additivity of charges,
quantisation of charges and
conservation of charges - Coulomb’s law: Statement, explanation (only in free space) and
expression in vector form - Definition of SI
unit of charge - Superposition principle: Statement,
application to find the force between multiple charges.
Electric field: Definition of electric field - Mention of expression for
electric field due to a point charge -Application of superposition principle to
find electric field for a system of charges.
Continuous charge distribution:
Definitions of surface, linear and volume charge densities - Mention of
expression for electric field due to a continuous charge distribution.
Electric dipole: Definition
of electric dipole and dipole moment - Derivation of
electric field due to a dipole (a) at any point on its axis (b) at any
point on
its equatorial plane -Derivation of the torque on an electric dipole in an uniform electric field and expression
in vector form.
Electric field lines: Properties and representation - Electric flux: Concept of electric flux - Area element vector, electric
flux through an area element -
Gauss’s Law: Statement and its applications to find electric field due to (a) infinitely long straight
charged wire, (b) uniformly charged infinite plane sheet and (c)
uniformly charged thin spherical shell (field inside and outside),
Numerical Problems.
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