Monthly Archives: March 2012

Potential At A Point Due To An Electric Dipole

Let us calculate Potential At A Point Due To An Electric Dipole:- Let an electric dipole consist of two equal and opposite point charges – q at A and +q at b ,separated by a small distance AB =2a ,with … Continue reading

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Electric Potential Due To Single Charge Or Point Charge

let us discuss and derive the electric potential due to single charge or point charge. We will calculate electric potential at any point P due to a single point charge +q at O ;where OP=r Electric potential at P is … Continue reading

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Electric potential and electric potential difference

let us today discuss the the concept of electric potential and electric potential difference. Electric Potential Electric Potential at a point in an electric field is defined as amount of the work done in moving a unit positive test charge … Continue reading

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Energy stored in capacitor derivation

Energy stored in Capacitor A charged Capacitor is a store of electrical potential energy. To find the energy stored in a capacitor, let us consider a capacitor of capacitance C, with a potential difference V between the plates. There is  … Continue reading

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Einstein Coefficient Relation

Einstein Coefficient Relation derivation and discussion: Einstein showed the interaction of radiation with matter with the help of three processes called stimulated absorption, spontaneous emission and stimulated emission. He showed in 1917 that for proper description of radiation with matter,the … Continue reading

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Application of Biot-Savart law: Magnetic Field At The Centre Of The Circular Coil Carrying Current

Last time I have discussed and derived the Biot-Savart law. Let us today discuss the APPLICATION OF BIOT-SAVART’S LAW that is Magnetic Field At The Centre Of The Circular Coil Carrying Current:- Consider a circular coil of radius r with … Continue reading

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BIOT-SAVART’S LAW DERIVATION

BIOT-SAVART’S LAW OR AMPERE’S LAW FOR CURRENT ELEMENT Biot-Savart’s law deals with the magnetic field induction at a point due to a small current element. Current element A current element is a conductor carrying current.It is the product of current,I … Continue reading

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Application of Gauss law of electrostatics: Electric Field Due To Two Thin Concentric Spherical Shells

Let us again discuss another application of Gauss law of electrostatics that is Electric Field Due To Two Thin Concentric Spherical Shells:- Consider charges +q1 and +q2 uniformly distributed over the surfaces of two thin concentric metallic spherical shells of … Continue reading

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Application of gauss law for electrostatics: Electric Field Due To A Uniform Charged Sphere

Let us today discuss another application of Gauss law for electrostatics that is the Electric Field Due To A Uniform Charged Sphere:- Consider a charge +q be uniformly distributed in a sphere of radius R with centre at O.

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