a) Conductor: Silver
Silver is a chemical element with the symbol of Ag. It had the highest electrical conductivity. It has the atomic number of 47, from the Latin word Argentum, derived from Proto-Indo- European meaning "shiny" or "white". It is typically used for making coins, jewellery, silverware and decorations.
Aluminium is a chemical element with the symbol Al and an atomic number of 13. It has a low density and it is able to resist corrosion. It is commonly used for cans, foils, and kitchen utensils.
Gold is a chemical element with the symbol of Au from Latin Aurum and an atomic number of 79. It is commonly used for decoration, jewellery and coins. It also used for dental fillings.
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