define resistivity.on which factors does it depend and write it's mathamatical relation
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Explanation:
The resitivity of the material is the resistance of that conductor in per unit length and per unit cross sectional area. Resistivity of a material is depends upon the factors
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Hello mate ...
Definition
- The electrical resistivity is the electrical resistance per unit length and per unit of cross-sectional area at a specified temperature...
It depends on The cross section area and lengths of object and is denoted by "rho"...
r = E/ J
Electrical resistivity is a key parameter for material that are to be used with electrical and electronic systems...
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