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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 Self-inductance is the tendency of a coil to resist changes in ...

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 of a photodiode - a PN junction that ...

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

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

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

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

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

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

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

This video visualizes the counter intuitive phenomenon of the transformers, when voltage is stepped up, the current gets stepped ...

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 ...

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

Let's explore how to calculate the emf and internal resistance of an effective cell when cells are connected in series. Both the emf ...

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

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

https://www.khanacademy.org/science/in-in-class-12th-physics-india Let's explore the IV characteristics of solar cells, and in ...