Important Topics for U. P. And C. B. S. E. Board (Class 12th)

For 2020 Board Exam




Important Topics for U. P. And C. B. S. E. Board

Coulomb’s law and Electric Field

   1.    Coulomb' law

   2.    Electric Dipole

   3.    Intensity of Electric Field at axes due to dipole

   4.    Intensity of  Electric Field at equatorial position due to electric dipole

   5.    If the side of a square is a, and every corner have equal charge of value q. Find out the force on one corner



Gauss Theorem

   1.    Gauss’ theorem and proof.

   2.    Applicaions of Gauss Theorem.



Electric Potential

   1.  Electric Potential at a point due to a Point Charge.

   2.  Electric Potential due to an Electric Dipole

   3.  Work done in rotating an Electric Dipole in an Electric Field



Capacitors And Dielectrics

   1. Capacitance of an isolated Spherical Conductor

   2. Capacitance of Parallel-Plate Capacitor

   3. Capacitance of Parallel-Plate Capacitor with dielectric constant.

   4.  Relation between Permittivity and Permittivity of free space

   5. Uses of Capacitors



Electric Resistance and Ohm’s Law

   1.    Drift Velocity

   2.    Specific Resistance or Electrical Resistivity

   3.    Resistivity of Semiconductors



Electrical Circuits and Measurements

   1.    Kirchhoff’s Law

   2. Wheatstone Bridge

   2.    Meter Bridge

   3.    Potentiometer



Electric Energy and Power

   1.    Kilowatt Hour(kW-h)

   2.    Formulae of Electric Power



Magnetic Effect of Current

    1. Magnetic Field due to the current carrying conductor or Biot and Savart's Law

    2. Magnetic Field due to the Straight current carrying conductor

    3. Force on moving charge

    4. Lorentz Force



Torque on a Current Loop ( Moving Coil Galvanometer)

   1. Torque on Current Loop

   2. Moving Coil Galvanometer



Earth Magnetism

   1. Magnetic Intensity

   2. Magnetic Permeability

   3. Magnetic Susceptibility

   4. Properties of Magnetic Substances

   5.  Electromagnet



Electromagnetic Induction

   1. Magnetic Flux

   2. Faraday's Law of Electromagnetic Induction

   3. Lorentz Force

   4. Eddy Currents


Alternating Current(A.C)

   1. Circuit Containing Inductance and Resistance only

   2. Circuit Containing Capacitance and Resistance only

   3.  Circuit Containing Inductance, Capacitance and Resistance only

   4. Power in A.C. Circuit

   5. A. C. Current Generator(Dynamo)



Electromagnetic Waves

   1. Maxwell's Equations

   2. Electromagnetic Spectrum