The How and Why of Electricity: A Book of Information for Non-Technical Readers (Classic Reprint) - Tapa dura

Sinopsis

Excerpt from The How and Why of Electricity: A Book of Information for Non-Technical Readers

Silver is the best conductor, copper being very nearly as good. The latter metal is used in enormous quanti ties for conducting wires and cables. All the metals and their alloys are conductors. Iron and steel conduct fairly well, but only about one-seventh as well as copper. Carbon, such as graphite and pure charcoal, is a very poor conductor, although in some special forms it is made use of as a conductor, as in electric batteries, in telephone protective devices, and in many processes of electrolytic decomposition. Solutions of metallic salts are intermediate conductors.

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