Why is gold used instead of silver in electrical circuits?

Gold is used instead of silver in electrical circuits primarily due to its superior resistance to corrosion and tarnishing, which ensures reliable conductivity over time. While silver has better electrical conductivity, it can oxidize and degrade when exposed to moisture and air, potentially leading to increased resistance and failure in connections. Gold's stability and durability make it ideal for critical applications in electronics, where long-term performance and reliability are essential. Additionally, gold's non-reactive properties help maintain consistent electrical performance.