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Question

Define resistivity of a material. Does it depend on temperature?


Solution

Resistivity is known as specific electrical resistance or volume resistivity. It can be defined as the intrinsic property of a given material that shows how it opposes the flow of current. It can also be defined as the resistance offered by a conductor having unit length and unit area of cross section. 
The unit for resistivity is the ohm-metre. 
The resistivity of a material depends on its nature and the temperature of the conductor, but not on its shape and size. 

Physics

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