When do they say that the body is charged? How to do it?

A body is said to be charged when it has both positive and negative charges.
To charge the body, it is tedious how to electrify the face, for example, if our object is a pencil, then rubbing it on the hair, we charge it, you can check this by holding it near small pieces of paper, they will begin to “stick”, which is the result of electrifying the body



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