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Electrostatic Potential Energy Electrostatic Potential Energy :- Just like gravitational potential energy of a mass in a gravitational field, we can derive an expression for electrostatic potential energy of a charge in an electric field. Let us assume that a charge +Q is placed at the origin which produces electric filed . Let a…
the de broglie wavelength of a photon is twice the de broglie wavelength of an electron Question :- the de broglie wavelength of a photon is twice the de broglie wavelength of an electron. The speed of the electron is ve = c/100. Then – Solution :- According to question, λp = 2λe ,…
Intensity of Electromagnetic Waves Intensity of Electromagnetic Waves :- The intensity of electromagnetic (EM) waves at a point refers to the average amount of energy crossing per second per unit area normally around that point during the propagation of EM wave. It is a measure of the wave’s power and is proportional to the…
Relation Between Magnetic Permeability and Magnetic Susceptibility Relation Between Magnetic Permeability and Magnetic Susceptibility :- When a magnetic material is placed in a current carrying solenoid, then the total magnetic field in the core of the solenoid is :- …..(1) Here B0 = Magnetic field due to free current in the solenoid…
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Magnetic Susceptibility Magnetic susceptibility is the property of a material that determines how easily it will be magnetized when placed in an external magnetising field (H). When a magnetic material is placed in a magnetising field (H), a magnetic dipole moment (M) starts getting induced in that material. The total magnetic moment produced per…
Magnetic Permeability Magnetic Permeability (μ) :- The property of a medium by which it allows magnetic field lines to pass through it is called magnetic permeability of that medium. Types of Magnetic Permeability Magnetic permeability can be divided into 2 parts :- Absolute Magnetic Permeability μ Relative Magnetic Permeability μr (1) Absolute Magnetic…
Magnetising Field | Magnetising Force | Magnetising Intensity Magnetising Field | Magnetising Force | Magnetising Intensity :- Suppose, you have a solenoid with n number of turns per unit length and i is the electric current flowing in it. When a magnetic material is placed in the core of the solenoid, the total magnetic…
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Intensity of Magnetisation Intensity of Magnetisation :- When a substance is placed in an external magnetic field, the atomic dipoles of the substance become partially or completely aligned. When this happens, a net magnetic moment is developed in every microscopic volume of the substance, hence The value of the total magnetic moment produced per…
Gauss Law in Magnetism Gauss Law in Magnetism :- Pay attention to the field lines of electric-dipole and magnetic-dipole in the picture given in the article Properties of Magnetic Field Lines :- In the above figure (C), as many electric field lines enter the closed Gaussian surface L2 as they emerge from it. This…
The Electrostatic Analog The Electrostatic Analog :- In electrostatics we see the following results due to an electric dipole at a point located far away from it :- Electric field on the axis of an electric dipole, …..(1) Electric field at the equator (equatorial line) of an electric dipole, …..(2)…