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Pieces of aluminum, copper, gold, and silver wire each have the same length and the same cross-sectional area. Which wire has the lowest resistance at $20^{\circ} C$ ?
A) gold
B) aluminum
C) copper
D) silver

Pieces of aluminum copper gold and silver wire each have the same length and the same crosssectional area Which wire has the lowest resistance at 20circ C A gol class=