The instrument used to determine the existence of electric charge on a body is the electroscope. Examples of gold leaf electroscope. if an electrically charged object touches the metal cap, a metal plate and gold leaf becomes electrically charged.
Bbecause the electric charge on a metal plate and gold leaf type, both will experience repel. So the gold leaf which was originally going to be afraid to deviate upward. The greater simpaangan gold leaf the greater the electrical charge of an object.
