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Q.

Which of the following metal has minimum resistivity for electric current?


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a

Copper           

b

Platinum           

c

Silver           

d

None of these 

answer is C.

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Detailed Solution

Silver metal has minimum resistivity for electric current.
Silver metal has the highest thermal conductivity among all the other metals. The resistivity of silver is nearly about 1.59×10-8at 20°and it is the lowest among all metals. Resistivity is the characteristic property of a material, and it depends only on the material's nature and the material's temperature.
 
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