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Gauss law says the electric flux through a closed surface = total enclosed charge divided by electrical permittivity of vacuum.

https://www.khanacademy.org/science/in-in-class-12th-physics-india Biot Savart law states that the magnetic field due to a tiny ...

https://www.khanacademy.org/science/in-in-class-12th-physics-india Let's explore the working of a photodiode - a PN junction that ...

https://www.khanacademy.org/science/in-in-class-12th-physics-india Self-inductance is the tendency of a coil to resist changes in ...

https://www.khanacademy.org/science/in-in-class-12th-physics-india Wheatstone bridge is a special circuit consisting of 5 ...

https://www.khanacademy.org/science/in-in-class-12th-physics-india A moving coil galvanometer works on the principle that a ...

https://www.khanacademy.org/science/in-in-class-12th-physics-india Transformers step up (increase) or step down (decrease) AC ...

Huygen's proposed that light is a longitudinal wave in the aether medium - a medium that pervades the entire universe. The set of ...

https://www.khanacademy.org/science/in-in-class-12th-physics-india Huygen's principle states that every point on a wavefront ...

Let's explore what displacement current is and how it corrects Ampere's law. Khan Academy is a nonprofit organization with the ...

Most materials are either weakly attracted (paramagnets) or weakly repelled (diamagnets) by magnets. Diamagnetism is an ...

Huygen's principle states every point on the current wavefront acts as a source of secondary spherical waves. These secondary ...

A Meter bridge is used to calculate resistance values with high accuracy. They work on the principle of a balanced Wheatstone ...

https://www.khanacademy.org/science/in-in-class-12th-physics-india Let's explore the working principle of solar cells (photovoltaic ...

EMF is the work done by the cell in moving a coulomb of charge across its terminals. It represents the energy transferred per ...

At the resonant frequency, the L.C.R. circuit has a minimum impedance and maximum current. Impedance is a minimum when ...

Ampere's circuital law states that the closed-loop integral of B.dl (also called the 'circulation of magnetic field') always equals ...

... ready for your exam and help you fall in love with Physics, find the complete bank of exercises and videos for Class 12 Physics ...

... ready for your exam and help you fall in love with Physics, find the complete bank of exercises and videos for Class 12 Physics ...