Actually, Gold has a HIGHER electrical resistance than copper, Gold plating is done because pure copper will corrode over time, but the electical resistance of the three top metals are: Silver at 1.62 μΩ-cm, Copper at 1.7241 μΩ-cm, and Gold at 2.44 μΩ-cm.
“An engineer explained to us that hundreds of ear impressions were gathered in the name of research, and while each one obviously boasted its own unique shape and size, one single characteristic remained uniform across the board: the entrance into the ear canal is not a perfect circle, it's an oval.”
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Actually, Gold has a HIGHER electrical resistance than copper, Gold plating is done because pure copper will corrode over time, but the electical resistance of the three top metals are: Silver at 1.62 μΩ-cm, Copper at 1.7241 μΩ-cm, and Gold at 2.44 μΩ-cm.