Bolotinha, Manuel2016-12-272016-12-2720161647-5496http://hdl.handle.net/10400.22/8993Conducting materials may be classified into three groups: conductors, semiconductors and imperfect insulators. This section will cover only conductors. In general, metals and alloys are conductors of electricity. The most common metals used in electricity are copper, aluminium and their alloys.engjournal article10.26537/neutroaterra.v0i18.467