Question

define resistivity name two factor on which substance
of a substance depend and two factor on which it does not depend

Answer 1

The resistivity of a material is the resistance of a wire of that material of unit length and unit cross-sectional area.

The resistivity of a material depends on its nature and the temperature of the conductor, but not on its shape and size.

might its usefull

thnx

Answer 2

$resitivity \: is \: define \: as \: resistance \\ offer \: by \: a \: substance \: ofunit \: \\ length \: and \: unit \: area. \\ \\ it \: depend \: on \: current \: and \: length$