Question

Defime the term resistivity (a) Device used for measuring the current is​

Answer 1

Answer:

Resistivity or specific resistance is resistance of a conducting material of unit length and having unit area of cross section. It is a property of material and depends on nature of material. SI unit is Ohm-m(Ωm).

Explanation:

The electric current in one part of a circuit is measured with an ammeter, which gives a reading in ampere.