Vectors - Introduction
Vectors - Introduction - A change of position of a particle is called displacement. If a particle moves from a position A to a position B, as shown in the figur..
Vectors - Introduction - A change of position of a particle is called displacement. If a particle moves from a position A to a position B, as shown in the figur..The Field of an Electric Dipole
Electric field produced by a dipole is known as dipole field. Let +q and -q be equal and opposite point charges separated by a small distance 2l. The strength of an electric dipole is measured by a vector quantity known as electric dipole..
Electric field produced by a dipole is known as dipole field. Let +q and -q be equal and opposite point charges separated by a small distance 2l. The strength of an electric dipole is measured by a vector quantity known as electric dipole..Magnetic Field and Field Lines
Magnetic Field - Magnetic field is a region near a magnetised body where magnetic forces can be detected. In a magnetic field, the magnetic dipole (Two equal and oppositely magnetised poles separated by a distance is referred to as magnetic dipole) experiences a turnin..
Magnetic Field - Magnetic field is a region near a magnetised body where magnetic forces can be detected. In a magnetic field, the magnetic dipole (Two equal and oppositely magnetised poles separated by a distance is referred to as magnetic dipole) experiences a turnin..5. Electric field at the surface of a charged conductor
The electric field where ' s ' is the surface charge density and the unit vector normal to the surface in the outward direction. Choose a small cylinder, which is partly inside and partly outside the surface of the conduc..
The electric field where ' s ' is the surface charge density and the unit vector normal to the surface in the outward direction. Choose a small cylinder, which is partly inside and partly outside the surface of the conduc..Dot Product and the Resolution of a Vector
Dot Product of Vectors and the Resolution of a Vector - It was mentioned earlier that, displacement vectors are added to displacement vectors, or velocity vectors are added to velocity vectors. Just as it is meaningless to add scalar quant..
Direct Current and Alternating Current
Direct Current and Alternating Current - If the current flows always in the same direction, it is called 'direct current'. Direction current is represented as DC or dc. The current derived from a cell or a battery is direct current - since..
Direct Current and Alternating Current - If the current flows always in the same direction, it is called 'direct current'. Direction current is represented as DC or dc. The current derived from a cell or a battery is direct current - since..Uniform External Field
Dipole in an external field Consider a permanent dipole of dipole moment 'p' in a uniform external field E, which implies that p does not depend E nor it is induced due to E. The force on q is qE and on -q is -qE and net force on dipole is zero. However, the charges ..
Dipole in an external field Consider a permanent dipole of dipole moment 'p' in a uniform external field E, which implies that p does not depend E nor it is induced due to E. The force on q is qE and on -q is -qE and net force on dipole is zero. However, the charges ..Magnetic Effects of Electric Current Summary
Summary - An electric current produces a magnetic field A magnetic field exists in the region surrounding a magnet, in which the force of the magnet can be detected Field lines are used to represent a magnetic field The magnetic field..
Polarization
Light is an electromagnetic wave with electric and magnetic field vectors varying sinusoidally, perpendicular to each other as well as perpendicular to the direction of propagation of wave of ligh..
ELECTRONIC AND MAGNETIC PHENOMENA
Voltage or current in simple direct current electric circuits Problems involving Ohm's law Formula for power (rate of energy dissipation) in any resistive circuit element Properties of transistors and their role in electric circuits Electric fiel..
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