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Physics 12 Physics 12
UNIT I: Electric Charges and Fields
UNIT II: Electrostatic Potential and Capacitance
- Electrostatic potential
- potential due to a point charge
- potential due to a system of charges
- electrical capacitance
- parallel plate capacitor
- combination of capacitors
UNIT III: Current Electricity
- resistivity
- colour code for resistors
- series and parallel combination of resistors
- temperature dependence of resistance
- meter bridge
UNIT IV: Moving Charges and Magnetism
- Magnetic force on a moving charge
- magnetic force on a current-carrying conductor
- force between two parallel current-carrying conductors
- experienced by a current loop in a uniform magnetic field
- moving coil galvanometer
- magnetic dipole moment
- oscillation of a magnetic dipole
- Earth’s magnetic field
- magnetic properties of materials
- dia
- para and ferromagnetic substances
- Hysteresis
- permanent magnets
UNIT V: Magnetism and Matter
- magnetic field intensity due to a magnetic dipole along its axis and perpendicular to its axis
- on a magnetic dipole
- magnetic properties of materials
- paramagnetic
- diamagnetic and ferromagnetic materials
UNIT VI: Electromagnetic Induction
UNIT VII: Alternating Current
- mean and RMS value of alternating current/voltage
- reactance and impedance
- LC oscillations
- resonance
- power in AC circuits
UNIT VIII: Electromagnetic Waves
- electromagnetic spectrum
- applications of electromagnetic waves
UNIT IX: Ray Optics and Optical Instruments
- refraction of light
- total internal reflection
- lenses
- lens formula
- power of a lens
- optical instruments - microscope
- telescope
UNIT X: Wave Optics
- Wave front and Huygens’ principle
- Young’s double-slit experiment
- diffraction
- polarisation
BETA
