Electrostatics is the branch of electromagnetism where we study charges at rest and phenomena related with it. Electric Charge It is a property associated with matter due to which electromagnetic interaction takes place. Commonly known charged parlicles are proton and electron. The charge of a proton is taken as positive and that ol electron is taken as negative. lt is represented by symbol e. € =1.6 x 10-1e coulomb Charge of Proton = +e Charge of electron = -e Positive and negative sign were arbitrarily assigned by Benzamin Franklin. This does not mean that charge of proton is greater than charge of electron. It signifies that their electrical properties are opposite to each other. Properties of Electric Charge (1) charges interact with each other 1.e., they excelsior on each other. Like charges repel each other while unlike charges attract each other. (2)
Imagine Life without Physics ...