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Q.

Which of the following statement is incorrect with respect to metallic or electronic conductivity?

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a

Metallic conductivity depends on the structure of metal and its charactristics.

b

Metallic conductivity depends on the number of electrons in the valence shell at atom of metal.

c

The electrical conductivity of metal increases with increase in temperature.

d

There is no change in the structure of metal during electrical conduction.

answer is C.

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Detailed Solution

For metal, as temperature increases, resistance increases and hence conductivity decreases.
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