Point to be Remembered

Chapter 1: Electric Charges and Fields

  • Electric charges, conservation of charge, Coulomb’s law
  • Electric field, electric field lines, electric dipole
  • Electric flux, Gauss’s theorem, and its applications
  • Applications of Gauss’s law in various charge distributions

     

  • Electric potential, potential difference, equipotential surfaces
  • Capacitors, capacitance, combination of capacitors
  • Energy stored in a capacitor, dielectric and its effect on capacitance

     

  • Electric current, drift velocity, Ohm’s law
  • Electrical energy, power, resistivity, conductivity
  • Temperature dependence of resistance, resistivity
  • Combination of resistances, Kirchhoff’s laws

     

  • Magnetic field, Oersted’s experiment, Biot-Savart law
  • Ampere’s law, force on a current-carrying conductor
  • Torque on a current loop, magnetic dipole moment
  • Force between two parallel current-carrying conductors

     

  • Bar magnet, magnetic field lines, magnetic properties of materials
  • Magnetization, magnetic intensity, susceptibility
  • Permanent magnets, hysteresis

     

  • Electromagnetic induction, Faraday’s laws, Lenz’s law
  • Induced emf, eddy currents
  • Self-inductance, mutual inductance

     

  • Alternating currents, peak and RMS value, reactance, impedance
  • LC oscillations, LCR series circuit, resonance
  • Power in AC circuits, wattless current

     

  • Electromagnetic waves, characteristics, transverse nature
  • Electromagnetic spectrum (radio waves, microwaves, infrared, visible, ultraviolet, X-rays, gamma rays)

     

  • Reflection, refraction, total internal reflection, optical fibers
  • Lenses, mirrors, optical instruments (microscope, telescope)
  • Dispersion, prism, rainbow

     

  • Wavefront, Huygens principle, interference, diffraction
  • Polarization, Brewster’s law

     

  • Photoelectric effect, Einstein’s equation
  • Matter waves, de Broglie wavelength
  • Davisson-Germer experiment

     

  • Atomic structure, Bohr model, energy levels
  • Hydrogen spectrum, energy level diagram

     

  • Nuclear structure, radioactivity, nuclear reactions
  • Binding energy, nuclear stability

     

  • Energy bands, semiconductors, p-n junction diodes
  • Diode characteristics, rectifiers, filters
  • Transistors, amplifiers, oscillators

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