Question

Electrical resistivity of any given metallic wire depends upon

Answer 1

${\bold{\blue{\underline{\red{An}\pink{sw}\green{er}\purple{:-}}}}}$

☛ Electrical resistivity of any given metallic wire depends on the nature of the substance and temperature.

$\bf\boxed\star\pink{\underline{\underline{{More\: Information.....!!!!!!}}}}$

Resistivity:-

☛ The resistivity of a substance is numerically equal to the resistance of a rod of that substance which is 1 metre long and 1 square metre in cross section.

☛ The SI unit of resistivity is ohm metre.

Resistance:-

☛ The property of a conductor due to which it opposes the flow of current through it is called resistance.

☛ The resistance of conduct depends on length, thickness,nature of the material and temperature,of the conductor.

☛ The SI unit of resistance is ohm.

☛R =V/I