Physics, asked by shauryayadav94, 11 months ago

do resistivity depend on any factor if no then this pic is confusing me...kindly help me

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Answered by BrainlyFIRE
0
hiiiii mate


hope this helps you

yes resistivity depends upon factors like

The resistivity of a material is the resistance of a wire of that material of unit length and unit cross-sectional area. 
 
 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. 
 
 A good conductor has less resistivity, whereas a bad conductor or insulator has high resistivity. The resistivity of semi-conductors lies between that of conductors and insulators. 
 
 The resistivity of a metallic conductor increases with an increase in its temperature, whereas the resistivity of a semi-conductor decreases with an increase in its temperature.
 
 The resistance of some materials decreases tremendously with a decrease in temperature in the very low temperature range of the order of absolute zero. Such substances are called superconductors.
Answered by aaravvarshney
0
YES,RESISTIVITY DEPENDS ON THE LENGTH AND AREA OF THE CONDUCTOR AND ALSO DEPEND UPON THE MATERIAL OF WHICH IT IS MADE.

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