CBSE Class 12 Physics Notes

Electric Charge

Notes

1. Electric Charge
2. Basic properties of electric charge
3. Frictional Electricity
4. Coulumb's law
5. Principle Of Superposition
6. Electric Field
7. Calculation of Electric Field
8. Electric Field Lines
9. Electric Flux
10. Electric Dipole

Concept Maps

1. Concept map of Coulomb's Law

Videos

1. Electrostatic Charge
2. Electrostatic Force and Coulomb's Law
3. Electric Field
4. Electrostatic Field Lines
5. Electric Flux
6. Electric field due to a dipole
7. How to solve electric force problems

Assignments (for IITJEE/KVYP level)

1. Assignment 1
2. Assignment 2
3. Questions and answers
4. Assignment 3

Notes

1. Introduction
2. Electric field due to continous charge distributions
3. Gauss's Law
4. Applications of Gauss's Law
5. Derivation of Coulumb's Law
6. Electric field due to line charge
7. Electric field due to charged solid sphere
8. Electric field due to an infinite plane sheet of charge

Videos

1. Introduction to Gauss's Law
2. Field due to continous distibution of charges
3. How To Apply Gauss's Law
4. Derivation of Coulomb's Law using Gauss's Law
5. Electric field due to a line charge (using Gauss's Law)

Assignments (for IITJEE/KVYP level)

1. Assignment 1
2. Assignment 2

Electric Potential

Notes

1. Introduction
2. Electric potential energy
3. Electric Potential
4. Electric potential due to a point charge
5. Relation between electric fiels and electric potential
6. Equipotential surfaces
7. Potential due to an electric dipole
8. Work done in rotating an electric dipole in an electric field
9. Potential energy of dipole placed in uniform electric field

Assignments (for IITJEE/KVYP level)

1. Assignment 1
2. Assignment 2

Capacitance

Notes

1. Introduction
2. Calculation of capacitance
3. Parallel plate capacitor
4. Cylinderical capacitor
5. Spherical capacitor
6. Capacitors in series and parallel combinations
7. Energy stored in a capacitor
8. Effect of Dielectric

Assignments (for IITJEE/KVYP level)

1. Assignment 1
2. Assignment 2

Electric Current and resistance

Notes

1. Introduction
2. Electric current and Current density
3. Drift Velocity
4. Relation between drift velocity and electric current
5. Ohm's Law and Resistance
6. Resistivity and conductivity
7. variation of resistivity with temperature
8. Current Voltage relations
9. Colour code of carbon resistors
10. Combination of Resistors

Assignments (for IITJEE/KVYP level)

1. Assignment 1
2. Assignment 2
3. Assignment 3

Concept Maps

1. Drift Velocity

EMF and Electric Measurement

Notes

1. Introduction
2. ElectroMotive Force(emf)
3. Internal Resistance of Battery (or cell)
4. Electric Energy and Power
5. Kirchoff's Rules
6. The junction Rule (or point rule)
7. The Loop Rule (or Kirchoff's Voltage Law)
8. Grouping of the cell's
9. Meterbridge (slide wire bridge)
10. Potentiometer
11. Comparison of EMF's of two cells using potentiometer
12. Determination of internal resistance of the cell

Assignments (for IITJEE/KVYP level)

1. Assignment 1
2. Assignment 2
3. Assignment 3

Heating effect of current

Notes

1. Introduction
2. Heating effect of current
3. Thermoelectricity
4. Seeback effect
5. variation of thermo-emf with temperature
6. Peltier Effect
7. Thomson effect
8. Applications of thermoelectricity or thermo-electric effect

Concept Maps

1. Thermalcurrent

Magnetic Field

Notes

1. Introduction
2. The Magnetic Field
3. Lorentz Force
4. Motion of Charged Particle in The Magnetic Field
5. Cyclotron
6. Magnetic force on a current carrying wire
7. Torque on a current carrying rectangular loop in a magnetic field

Assignments (for IITJEE/KVYP level)

1. Assignment Combined with Magnetic effects of current

Magnetic Effects of current

Notes

1. Introduction
2. Biot Savart Law
3. Comparison between Coulomb’s laws and Biot Savart laws
4. Applications of Biot Savart law
5. Magnetic Field due to steady current in an infinitely long straight wire
6. Force between two long and parallel current carrying conductor
7. Magnetic Field along axis of a circular current carrying coil
8. Magnetic Field at the center of a current carying arc
9. Ampere's circuital law
10. Magnetic field of a solenoid
11. Magnetic Field of a toriod

Assignments (for IITJEE/KVYP level)

1. Assignment Combined with Magnetic effects of current

Magnetic Properties of Matter

Notes

1. Introduction
2. Intensity of Magnetization
3. Magnetic Field strength
4. Magnetic Susceptibility
5. Magnetic permeability
6. Phenomenological classification
7. Main Effects of external Field
8. concept of ferromagnetism
9. Hysteresis

Electromagnetic Induction

Notes

1. Introduction
2. Faraday's experiment
3. Magnetic Flux
4. Faradays law of electromagnetic induction
5. Direction of Induced EMF: Lenz's Law
6. Explaination of lenz's law
7. Motional EMF
8. Induced Electric Fields

Inductance

Notes

1. Introduction
2. Self Inductance
3. Self induction of a long solenoid
4. Energy in an inductor
5. Growth and decay of current in L-R circuit
6. The R-C circuit
7. The L-C circuit
8. Mutual Inductance
9. Mutual Inductance of two co-axial solenoids
10. Relation between Mutual inductance and self inductance

Alternating current

Notes

1. Introduction
2. Alternating current and Alternating EMF
3. Average or mean current
4. Root Mean square value of AC
5. Phasor diagram
6. A.C through pure resistor
7. A.C through pure inductor
8. AC through pure capacitor
9. Circuit containing inductance and resistance in series
10. Circuit containing capacitance and resistance in series
11. LCR series circuit

Assignments (for IITJEE/KVYP level)

1. Assignment 1
2. Assignment 2
3. Assignment 3

Huyghen's principle and interference of light

Notes

1. Introduction
2. Wave fronts and rays
3. Huygens’s principle
4. Reflection of and Refraction of plane waves using Huygens’s principle
5. Principle of Superposition of waves
6. Interference of light waves
7. Coherent Sources
8. Conditions for sustained interference of light waves
9. Young Double slit experiment
10. Theory of interference fringes
11. Displacement of fringes

Diffraction and polarization of light

Notes

1. Introduction
2. Fraunhofer Diffraction by single slit
3. Resolving power
4. Polarization of light
5. Vibrations in unpolarized and polarized light
6. Polarization of reflection
7. polarization by scattering
8. Diffraction and polarization of light
9. Law of Malus
10. Brewster's law

Bipolar Junction Transistors

Notes

1. Introduction
2. Action of transistor
3. Transistor circuit configuration and transistor characterstics
4. Common emitter transistor configuration

Radioactivity

Notes

1. Introduction
2. Properties of radioactive decay
3. The alpha rays(particles)
4. The beta rays(particles)
5. The Gamma rays
6. Law of radioactive Decay
7. Half Life
8. Mean Life
9. Unit of activity
10. Alpha decay
11. β Decay
12. γ Decay

Atomic nucleus : An introduction

Notes

1. Discovery of nucleus
2. Nuclear Composition
3. Atomic mass
4. Isobars and Isotones
5. Size of nucleus

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