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

Drift velocity is the average velocity with which electrons 'drift' in the presence of an electric field. It's the drift velocity (or drift ...

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

Two equal and opposite charges separated by some distance constitute a dipole. The product of the charge and distance ...

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

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

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

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 Transformers step up (increase) or step down (decrease) AC ...

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 principle of solar cells (photovoltaic ...

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

Let's explore, logically, the working principle of a slide-wire potentiometer. A potentiometer can measure voltages, with higher ...

The magnetic field inside a ferromagnet lags the vacuum field, and this lagging is called the hysteresis. Let's explore this ...

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

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 Huygen's principle states that every point on a wavefront ...

Everyone says Physics is tough till you actually figure out how to study it smart. I didn’t take coaching, didn’t solve 5000 ...

Let's explore what photoelectric effect is and how the wave theory of light fails to explain the experimental outcomes.

The electric potential at a point in space indicates how much potential energy a coulomb of charge would have at that point.