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Unit I: Electrostatics: Electric Charges and Fields

  • Electric charge: conservation
  • Conductors and insulators
  • Charging by induction
  • Basic principle of electric charge
  • Coulomb's law
  • 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
  • Application of Gauss's law :find field due to infinitely long straight wire
  • uniformly charged infinite plane sheet
  • uniformly charged thin spherical shell (field inside and outside).

Unit I: Electrostatics: Electrostatic Potential and Capacitance

  • Electrostatic potential
  • Potential due to a point charge
  • Potential due to an electric diple
  • Potential due to a system of charges
  • Equipotential surfaces
  • Potential energy of system of charges
  • Potential energy in an external field
  • Electrostatics of conductor
  • Dielectrics and polarisation
  • Capacitors and capacitance
  • The parallel plate capacitor
  • Effect of dielectric on capacitance
  • combination of capacitors in series and in parallel
  • capacitance of a parallel plate capacitor with and without dielectric medium between the plates
  • Energy stored in a capacitor
  • Van De Graff's generator
  • Energy stored in a capacitor

Unit II: Current Electricity

  • Electric current
  • flow of electric charges in a metallic conductor
  • drift velocity
  • mobility and their relation with electric current
  • Ohm's law
  • electrical resistance
  • V-I characteristics (linear and non-linear)
  • electrical energy and power
  • electrical resistivity and conductivity
  • Carbon resistors
  • colour code for carbon resistors
  • series and parallel combinations of resistors
  • temperature dependence of resistance
  • Cells, EMF, internal resistance
  • Cells in series and parallel
  • Kirchoff's rule
  • Wheatstone bridge, Meter bridge
  • Potentiometer - principle and its applications to measure potential difference and for comparing emf of two cells
  • measurement of internal resistance of a cell.

Unit III: Magnetic Effects of Current and Magnetism:Moving Charges and Magnetism

  • Concept of magnetic field
  • Oersted's experiment.
  • Biot - Savart law and its application to current carrying circular loop
  • Ampere's law and its applications to infinitely long straight wire. Straight and toroidal solenoids
  • Force on a moving charge in uniform magnetic and electric fields
  • Cyclotron
  • Force on a current-carrying conductor in a uniform magnetic field
  • Force between two parallel current-carrying conductors-definition of ampere.
  • Torque experienced by a current loop in uniform magnetic field
  • moving coil galvanometer-its current sensitivity and conversion to ammeter and voltmeter.

Unit III: Magnetic Effects of Current and Magnetism:Magnetism and Matter

  • Current loop as a magnetic dipole and its magnetic dipole moment
  • Magnetic dipole moment of a revolving electron
  • Magnetic field intensity due to a magnetic dipole (bar magnet) along its axis and perpendicular to its axis
  • Torque on a magnetic dipole (bar magnet) in a uniform magnetic field;
  • Bar magnet as an equivalent solenoid
  • Magnetic field lines
  • Earth's magnetic field and magnetic elements.
  • Para-, dia- and ferro - magnetic substances, with examples
  • Electromagnets and factors affecting their strengths
  • Permanent magnets.

Unit IV: Electromagnetic Induction

  • The experiments of faraday and henry
  • Magnetic flux
  • Faraday's law of induction
  • Lenz's law and conservation of energy
  • Motional electromotive force
  • Energy consideration : A quantative study
  • Eddy current
  • Inductance: self and mutual inductance
  • AC generator

Unit IV: Alternating Current

  • Peak and RMS value of alternating current/voltage
  • 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 conductor
  • AC voltage applied to a series LCR circuit: phasor diagram solution
  • AC voltage applied to a series LCR circuit: analytical solution
  • Resonance
  • Power of AC circuit: power factor
  • LC oscillation
  • Transformers

Unit V: Electromagnetic waves

  • Displacement current
  • Electromagnetic waves: source
  • Nature of electromagnetic waves
  • Electromagnetic spectrum
  • Radio waves
  • Microwaves
  • infrared
  • visible
  • ultraviolet
  • X-rays
  • Gamma rays

Unit VI: Optics: Ray Optics and Optical Instruments

  • Reflection of light by spherical mirrors
  • Mirror formula
  • Refraction of light
  • Total internal reflection and its applications
  • Optical fibres
  • Refraction at spherical surfaces
  • Lenses
  • Thin lens formula and magnification
  • Lensmakers formula
  • Power of a lens
  • Combination of thin lenses in contact combination of a lens and a mirror
  • Refraction and dispersion of light through a prism
  • Blue colour of sky and reddish apprearance of the sun at sunrise and sunset
  • Microscopes and astronomical telescopes (reflecting and refracting) and their magnifying powers

Unit VI: Optics:Wave Optics

  • Wave front and Huygen's principle
  • reflection and refraction of plane wave at a plane surface using wave fronts
  • Proof of laws of reflection and refraction using Huygen's principle
  • Interference Young's double slit experiment and expression for fringe width, coherent sources and sustained interference of light
  • Diffraction due to a single slit, width of central maximum
  • Resolving power of microscopes and astronomical telescopes
  • Polarisation, plane polarised light Brewster's law, uses of plane polarised light and Polaroids.

Unit VII: Dual Nature of Matter and Radiation

  • Dual nature of radiation
  • Electron emission
  • Photoelectric effect: Hertz and Lenard's observation
  • Experimental study of photoelectric effect
  • Einstein's photoelectric effect: energy quantum of radiation
  • Matter waves-wave nature of particles
  • de Broglie relation
  • Davisson-Germer experiment (experimental details should be omitted; only conclusion should be explained).

Unit VIII: Atoms

  • Alpha-particle scattering experiment;
  • Rutherford's model of atom
  • Bohr model
  • energy levels
  • hydrogen spectrum.

Unit VIII: Nuclei

  • Atomic masses and composition of nucleus
  • Size of nucleus
  • Mass-energy and nuclear binding energy
  • Nuclear force
  • Radioactivity- law of radioactive decay
  • Alpha decay
  • Beta decay
  • Gamma decay
  • Nuclear energy: fission
  • Nuclear reactor
  • Nuclear fusion: energy generation in stars
  • Controlled thermonuclear fusion

Unit IX: Semiconductor Electronics: Materials, Devices and Simple Circuits

  • Classification of metal, conductors and semiconductors, insulators
  • Intrinsic semiconductors
  • Extrinsic semiconductors
  • P-n junction
  • Semiconductor diodes
  • Application of junction diode as rectifier
  • Special purpose p-n junction diode: Zenner diode
  • Optoelectronic jnction devices: photodiode
  • Light emitting diode
  • Solar cell
  • Junction transistor: structure and action
  • Basic transistor circuit configuration and transistor characteristics
  • Transistor as a device (amplifier)
  • Feedback amplifier and transistor oscillator
  • Digital electronics and logic gates
  • Integrated circuits

Unit X: Communication Systems

  • Element of a communication system
  • Basic terminology used in electronic communication system
  • Bandwidth of signals
  • Bandwidth of transmission medium
  • Propagation of electromagnetic waves:sky wave
  • Propagation of electromagnetic waves:space wave
  • Modulation and its necessity
  • Amplitude modulation
  • Detection of amplitude modulated wave