Answers

2014-12-15T23:28:01+05:30
All metals are good conductors . eg copper aluminium iron.etc insulators will not conduct heat and eletricity eg plastic,paper,cloth etc
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2014-12-16T06:47:53+05:30
Conductors: water , gold , silver , copper , zinc , aluminium , steel , nickle , brass                   , cobalt.
Insulators: wood , gas , plastic , rubber , plants , diamond , silicon , paper                             , porcelain , ebonite.
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