Question

Wires are made of copper and aluminium , though silver is a better conductor of electricity.Give reason

Answer 1

Explanation:

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Answer 2

Explanation:

Copper and Aluminium are used for wires because they are good conductor of electricity. The conductivity of silver is greater than than them but we use copper and aluminium because they are cheaper than silver. As the cost of silver is much more than copper and aluminium

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And the other reason is

Though silver is a very good conductor of electricity but still that is not used in electric wiring primarily due to its cost. It's very expensive compared to the widely used wiring material copper. Another reason for not using silver is that , it oxidizes easily and tarnishes when it comes in contact with air.