Physics · Class 12 Part I

Electricity and Magnetism in 8 chapters — from “Electric Charges and Fields” to “Electromagnetic Waves”.

Chapters

  1. Electric Charges and Fields
    • Introduction
    • Electric Charge
    • Conductors and Insulators
    • Basic Properties of Electric Charge
    • Coulomb’s Law
    • Forces between Multiple Charges
    • Electric Field
    • Electric Field Lines
    • Electric Flux
    • Electric Dipole
    • Dipole in a Uniform External Field
    • Continuous Charge Distribution
    • Gauss’s Law
    • Applications of Gauss’s Law
    • Summary
    • Points to Ponder
    • Exercises
  2. Electrostatic Potential and Capacitance
    • Introduction
    • Electrostatic Potential
    • Potential due to a Point Charge
    • Potential due to an Electric Dipole
    • Potential due to a System of Charges
    • Equipotential Surfaces
    • Potential Energy of a System of Charges
    • Potential Energy in an External Field
    • Electrostatics of Conductors
    • Dielectrics and Polarisation
    • Capacitors and Capacitance
    • The Parallel Plate Capacitor
    • Effect of Dielectric on Capacitance
    • Combination of Capacitors
    • Energy Stored in a Capacitor
    • Summary
    • Points to Ponder
    • Exercises
  3. Current Electricity
    • Introduction
    • Electric Current
    • Electric Currents in Conductors
    • Ohm’s Law
    • Drift of Electrons and the Origin of Resistivity
    • Limitations of Ohm’s Law
    • Resistivity of Various Materials
    • Temperature Dependence of Resistivity
    • Electrical Energy, Power
    • Cells, EMF, Internal Resistance
    • Cells in Series and in Parallel
    • Kirchhoff’s Rules
    • Wheatstone Bridge
    • Summary
    • Points to Ponder
    • Exercises
  4. Moving Charges and Magnetism
    • Introduction
    • Magnetic Force
    • Motion in a Magnetic Field
    • Magnetic Field due to a Current Element, Biot–Savart Law
    • Magnetic Field on the Axis of a Circular Current Loop
    • Ampere’s Circuital Law
    • The Solenoid
    • Force between Two Parallel Currents, the Ampere
    • Torque on Current Loop, Magnetic Dipole
    • The Moving Coil Galvanometer
    • Summary
    • Points to Ponder
    • Exercises
  5. Magnetism and Matter
    • Introduction
    • The Bar Magnet
    • Magnetism and Gauss’s Law
    • Magnetisation and Magnetic Intensity
    • Magnetic Properties of Materials
    • Summary
    • Points to Ponder
    • Exercises
  6. Electromagnetic Induction
    • Introduction
    • The Experiments of Faraday and Henry
    • Magnetic Flux
    • Faraday’s Law of Induction
    • Lenz’s Law and Conservation of Energy
    • Motional Electromotive Force
    • Inductance
    • AC Generator
    • Summary
    • Points to Ponder
    • Exercises
  7. Alternating Current
    • Introduction
    • AC Voltage Applied to a Resistor
    • Representation of AC Current and Voltage by Rotating Vectors: Phasors
    • AC Voltage Applied to an Inductor
    • AC Voltage Applied to a Capacitor
    • AC Voltage Applied to a Series LCR Circuit
    • Power in AC Circuit: The Power Factor
    • Transformers
    • Summary
    • Points to Ponder
    • Exercises
  8. Electromagnetic Waves
    • Introduction
    • Displacement Current
    • Electromagnetic Waves
    • Electromagnetic Spectrum
    • Summary
    • Points to Ponder
    • Exercises