Atoms are composed of three particles with an electric charge: electrons, protons and uncharged neutrons. Electrons have a negative charge, and protons have a positive charge. The negative charge of ...

Important revision notes of Class 12 Physics, Chapter 2 - Electrostatics Potential and Capacitance (based on NCERT books) are available in this article. These notes are helpful for revision purpose ...

Normally electrostatic sparks are very small. If the object has a lot of charge, then these sparks can be hundreds of metres long. Sparks can occur between charged objects and people. Sometimes when ...

Ask most robots to pick up an egg and you end up with… a broken egg. But this pair of automated fingers uses an incredibly delicate thin film and some simple physics to grasp fragile objects with ...