Category: CBSE

Central Board of secondary education

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Rajshekhar

The law describing the force between two stationary charges, stating it is directly proportional to the product of their charges and inversely proportional to the square of the distance between them, is known as Coulomb’s law. This fundamental principle in ...

Sonal Chauhan

When an ebonite rod is rubbed with the skin of a cat, the ebonite rod becomes negatively charged. This happens because the rod gains electrons from the cat’s skin, resulting in an excess of electrons on the rod, which gives ...

Sonal Chauhan

If the distance between two electric charges is halved, the value of the electric force between them will become quadruple. This is because the force between two charges increases as the distance between them decreases. Halving the distance results in ...