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Which metal is the best conductor of electricity?
Gold
Silver
Copper
Aluminum
Silver
Silver is the best known conductor of electricity because its atomic structure allows electrons to move freely with minimal resistance. While other metals like copper and gold conduct electricity well, silver ranks highest in electrical conductivity.
Silver is the best known conductor of electricity because its atomic structure allows electrons to move freely with minimal resistance. While other metals like copper and gold conduct electricity well, silver ranks highest in electrical conductivity.
The electrical properties of elements form a foundational pillar of General Science questions frequently asked in RRB, SSC, and state civil services examinations.
Silver has the highest electrical and thermal conductivity of any metal.
Copper is widely used for electrical wiring because it offers a practical balance between high conductivity and affordability.
Aluminum is lighter and more economical than copper, making it preferred for long-distance high-voltage power transmission.
Option A is incorrect because gold is too expensive for general wiring, though its corrosion resistance makes it ideal for electronics plating.
Option C is incorrect as the primary choice for standard wiring, which goes to copper due to cost efficiency, even though silver is technically superior.
Option D is incorrect because aluminum has lower electrical conductivity than silver and copper, requiring thicker wires for the same current.
B is correct тАФ Silver is the best conductor of electricity among all metals.
Make sure to distinguish between electrical conductivity and thermal conductivity, as well as understand why copper is preferred over silver in real-world applications due to economic factors.
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