When you need a multimeter for testing electrical equipment around the home, it's vital to know what all those symbols around ...

Here, Q is the symbol for the electric charge. A charge is denoted by ‘q’ and the SI unit of the charge is Coulomb. Mathematically, it can be represented as:- q=ne.

What are electrical charges? All matter consists of atoms close atom All elements are made of atoms. An atom consists of a nucleus containing protons and neutrons, surrounded by electrons. .