First and foremost we must know the basics of electricity and usage in BOARDS NEET and JEE
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- Concept of Coulomb Law and PERMITTIVITY
- Definition of 1 Coulomb
- Principle of superposition of forces
- Concept of electric field
- Definition of Electric field intensity, its units
- Concept of electric dipole, its unit and DIRECTION
- Electric field due to dipole on AXIAL and EQUATORIAL LINE
- Torque on dipole
- Potential energy of dipole, STABLE and UNSTABLE equilibrium
- Statement of Gauss Law and concept of Gaussian Surface
- Electric field due to linear charge and areal charge distribution
- Concept of spherical SHELL, SOLID CONDUCTOR and UNIFORMLY CHARGED Sphere
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LIST OF DERIVATIONS or STRAIGHT QUESTIONS
- Derive an expression for the electric field at a point on the axial position of an electric dipole.
- Derive an expression for the electric field at a point on the equatorial position of an electric dipole.
- State Gauss theorem and apply it to find the electric field at a point due to (a) a line of charge (b) A plane sheet of charge (c) A Charged spherical conducting shell
- State Coulomb’s law and express it in vector form. Derive it using Gauss theorem.
- Derive an expression for the torque on an electric dipole in a uniform electric field.
- Derive an expression for the work done in rotating an electric dipole in a uniform electric field
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