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Electromagnetic waves are all around us. Electromagnetic waves are a type of energy that can travel through space. They are ...

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

The probability distribution for molecular speeds is not the same as the distribution of molecular velocities, and is given by the ...

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

Biot Savart law states that the magnetic field due to a tiny current element at any point is proportional to the length of the current ...

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

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

Using geometry let's prove that the Gauss law of electricity holds true for not just spheres, but any random closed surface.

When an alternating voltage is applied across a capacitor, the current leads the voltage by a phase angle of 90 degrees.

A particle of mass `m` moving with kinetic energy `K`, makes a head - on elastic collision with a stationary particle of mass `eta m`.

A rolling object rolls without slipping down an inclined plane (angle of inclination `theta`), then the minimum acceleration it can ...

With this multi-purpose apparatus you can have fun and learn many principles of electro-magnetic induction. The primary coil is ...

If `M_(z)` = magnetisation of paramagnetic sample B= external magnetic field T= absolute temperature, C= curie constant then ...