Question

Though silver is a good conductor, why is it not the ideal choice for transmission of electricity?

1) it is expensive

2) it oxidizes and tarnishes when it comes in contact with air

3) it's resistivity decreases with increasing temperature

a) only 1

b) only 2

c) both 1&2

d) only 3

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Answer 1

Answer:

both 1 and2 is the answer of this ques

Answer 2

Explanation:

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.

b) only 2