Category Archives: Electromagnetism

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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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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Electric Field Due To Two Infinite Parallel Charged Sheets

Let us today again discuss another application of gauss law of electrostatics that is to calculate Electric Field Due To Two Infinite Parallel Charged Sheets:- Consider two parallel sheets of charge A and B with surface density  of σ and … Continue reading

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Electric Field Due To An Infinite Plane Sheet Of Charge

Let us today discuss another application of gauss law of electrostatics that is Electric Field Due To An Infinite Plane Sheet Of Charge:- Consider a portion of a thin, non-conducting, infinite plane sheet of charge with constant surface charge density … Continue reading

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Electric Field Due to An Infinite Line Of Charge derivation

We have already derived and discussed the gauss law of electrostatics. Let  us discuss its applications one by one. Toady I will derive and discuss the electric field due to an Infinite line Of Charge. Electric Field Due to An … Continue reading

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Coulomb Law From Gauss Law derivation

Gauss’s law for electrostatics is used for determination of electric fields in some problems in which the objects possess spherical symmetry, cylindrical symmetry,planar symmetry or combination of these. Let us discuss the applications of gauss law of electrostatics: 1. Electric … Continue reading

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Gauss law in differential form derivation

Last time I have derived and discussed the gauss law for electrostatics. Let us today derive and discuss the gauss law for electrostatics in differential form. STATEMENT:-Differential form of Gauss law states that the divergence of electric field E at … Continue reading

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