Copper is relatively abundant and cost-effective, which allows it to be used in everything from building wiring and power transmission lines to the intricate traces found on computer motherboards. Cost Dilemma The primary reason silver is not used for widespread wiring is its economic cost and relative scarcity compared to base metals.
Silver vs Copper: A Detailed Conductivity Comparison
It is not the most conductive element, but it is highly valued for its resistance to oxidation and corrosion. It is not the most conductive element, but it is highly valued for its resistance to oxidation and corrosion.
In laboratory conditions, pure silver exhibits a conductivity that is approximately 105% that of copper, a significant margin in performance-critical applications. While these alloys sacrifice a small percentage of pure conductivity, the trade-off for increased durability and resistance to corrosion is often essential for the longevity of the component.
Silver vs Copper: A Practical Look at Conductivity and Cost
For high-frequency applications, the skin effect—where current flows primarily on the surface of the conductor—further justifies the use of gold plating, as it ensures the outer layer remains pure and highly conductive. While it offers the best performance, the global market cannot support infrastructure built entirely on this precious metal.
More About Most electrically conductive metals
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