Objects and household items at the present time many who use
electricity. Television, radio, and the fan can work for obtaining electricity.
The electricity initially investigated by the ancient Greeks, approximately
6000 BCE, by observing the amber that is able to attract light objects because
amber was rubbed with wool. Ruler mica which we rub on dry hair can pull flakes
of paper nearby. Glass and ebonite rod is rubbed with a dry silk fabric can
also drag flakes of paper. Amber is rubbed with wool, mica ruler rubbed on dry
hair, glass and ebony rod is rubbed with a dry silk is said to have an electric
charge.
Objects that can conduct electricity well known conductors,
such as copper and iron. Objects that can not conduct electricity well is
called insulators or insulator, such as wood, plastic, and cotton.
Tidak ada komentar:
Posting Komentar