Ch 12 Physics Class 12
Important Easy Notes of Physics of Electrostatics Ch 12 Physics Class 12 written by Professor Mr. Afif Raza Suib. These notes are very helpful in the preparation of Physics for students of the 12th class and these are according to the paper patterns of all Sindh Book Boards.
Summary and Contents:
Topics which are discussed in the notes are given below:
- Definition of Electrostatics
- State and explain Coulomb's Law
- Definition of electric field
- Definition of the Intensity of Electric Field with Formula.
- Electric field intensity near an isolated point charge.
- Describe Coulomb.
- Electric lines of force.
- Definition of electric flux with its S.I Unit.
- Definition of Field Intensity.
- Electric flux through a sphere.
- State and prove Gauss Law.
- Definition of Gaussian Surface.
- Applications of gases law.
- Electric field intensity due to a uniform spherical surface charge at a distance r from its centre.
- Electric intensity due to an infinite sheet of charge.
- Electric intensity between two oppositely charged plates.
- Definition of electric potential difference and write its SI unit.
- Definition of Volt.
- State and derive absolute electric potential.
- Definition of electron volt with its formula
- Define equipotential potential surface
- Definition of capacitance and Capacitor
- Capacitance of capacitor also define its Unit
- Definition of Farad
- Definition of parallel plates capacitor
- Capacitance of a parallel plate capacitor in the presence of air or absence of a dielectric slab.
- Capacitance of a parallel plate capacitor in the presence of air or absence of a dielectric slab.
- Definition of dielectric constant
- Important Easy Notes of Physics of Electrostatics Ch 12 Physics Class 12 Sindh Book Boards.
- Effect of dielectric in capacitor:
- (a) When capacitor is disconnected after being charged.
- (b) When a capacitor is connected to a battery.
- Factors on which capacitance of a parallel plate capacitor depends: (1) Area of the plates (2) Distance between the plates (3) Dielectric between the plates.
- Capacitance of parallel plates capacitor in the partial presence of dielectric slab of same area but a thickness less than separation between the plates compound capacitor.
- Different types of capacitor: (a) Multiplates Capacitor (b) Variable Capacitor (c) Electrolytic Capacitor.