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BASIC FUNDA
BASIC FUNDA

CAPACITOR AND CAPACITANCE

Capacitor: The capacitor is a passive device, which can store electric charge into its conducting surface (plates) when connected with a voltage source and discharge...
BASIC FUNDA

SUPPORTS – POLE AND TOWER.

SUPPORTS: Supports for overhead lines are mainly of two types (a) Pole and (b) Tower. Up to 33 kv in distribution system poles are used....
BASIC FUNDA
BASIC FUNDA
BASIC FUNDA

ELECTROMAGNETIC INDUCTION.

ELECTROMAGNETIC INDUCTION: As per previous study, we know that when electric current flows through a conductor, it creates a magnetic field surrounding it. The reverse...
BASIC FUNDA

BIOT- SAVART , MAXWELL LAW

BIOT- SAVART LAW: Baptisle Biot and Felix Savart, in the year 1820 states a law which determines the magnetic field strength surrounding of a current...
BASIC FUNDA

MAGNETISATION CURVE, CIRCUITAL LAW

MAGNETISATION CURVE:- For a Ferromagnetic material, Magnetization curve is the graphical representation of flux density (B) and magnetizing force (H) or magnetic field strength. This...
BASIC FUNDA

LEAKAGE FLUX

LEAKAGE FLUX: Leakage flux is that flux which does not follow the specified path for it, that means it follows the path which is not...
BASIC FUNDA

MAGNETIC CIRCUIT

MAGNETIC CIRCUIT: The closed loop or path which is followed by magnetic flux is called magnetic circuit. As electric current flows through electric circuit, flux...
BASIC FUNDA

FORCE AND DIRECTION

FORCE AND ITS DIRECTION OF A CURRENT CARRYING CONDUCTOR LYING IN A MAGNETIC FIELD: We know that when current flows through a current carrying conductor,...
BASIC FUNDA

ELECTROMAGNETISM

ELECTROMAGNETISM: Electromagnetism is the magnetism which is developed by electric current. When a current carrying conductor is electrically charged, it generates some magnetic force surrounding...
BASIC FUNDA

SUSCEPTIBILITY, CURIE POINT.

What is intensity of magnetization? Intensity of magnetization, symbolized as I, of a magnetic material is defined as the magnetic moment per unit volume of...
BASIC FUNDA

ABSOLUTE, RELATIVE PERMEABILITY

ABSOLUTE PERMEABILITY: This is the property of a medium, on which magnetism and electromagnetism depends. In other words, the ability of the medium to conduct...
BASIC FUNDA

FIELD STRENGTH, FLUX, POTENTIAL.

MAGNETIC FIELD STRENGTH (H): The magnetic field strength’s symbol is H and measured in amperes per meter (A/M) or Newton per Weber (N/W). This is...
BASIC FUNDA

MAGNETIC FIELD & FORCE

WHAT IS MAGNETISM? Magnetism is nothing but a force produced by magnetic fields, which is caused by motion of electric charges. It means, magnetism is...
BASIC FUNDA
BASIC FUNDA
BASIC FUNDA

LAWS OF RESISTANCE, TEMPERATURE EFFECT.

LAWS OF RESISTANCE: The value of resistance of a conductor depends on its ►i) Length– l. ►ii) Cross section- A. ►iii)Nature of the conductor material....
BASIC FUNDA

OHM’S LAW AND ELECTRIC RESISTANCE

OHM’S LAW: Ohm’s law states about the relation between voltage, current and resistance in a D.C circuit. This law states that, if the temperature of...
BASIC FUNDA

ELECTRIC CURRENT

ELECTRIC CURRENT: Electric current is a quantity of electric charge, i.e, electrons flow through a point of an electric circuit per unit of time. In...
BASIC FUNDA
BASIC FUNDA
BASIC FUNDA

ELECTRIC FLUX… GAUSS’S LAW

ELECTRIC FLUX: This is the total number of electric force lines passing through a surface. The lines of force passed the surface is unit area....
BASIC FUNDA

ELECTROSTATICS.

ELECTROSTATICS: When we discuss about static electricity also known as stationary charges and its laws, the branch of science is known as electrostatics. PERMITTIVITY: This...
BASIC FUNDA

DRIFT VELOCITY, DRIFT CURRENT

ELECTRON DRIFT VELOCITY : Free electrons in metal or conductor are moving in random speed and direction in normal condition. These electrons collide with ions...
BASIC FUNDA

ATOMIC STRUCTURE

ATOM The smallest unit of all matter are called atom. It carries the same properties of that matter. An atom consist of a central nucleus...
BASIC FUNDA

WORK, POWER, ENERGY

FORCE: A force is that, which can change the motion or can change the velocity of motion i.e. accelerate of an object with mass. It...