For an ohmic substance, the resistivity depends on:
A) the electric field
B) the potential difference
C) the current density
D) the electron mean free time
E) the cross-sectionalarea of the sample

Question

Quizplus · Accepted Answer

The resistivity of an ohmic substance is influenced by the electron mean free time, as it affects how easily electrons can move through the material. Factors like electric field, potential difference, and cross-sectional area affect resistance but not the intrinsic property of resistivity. Current density is a result of the applied electric field and the material's resistivity.

For an Ohmic Substance, the Resistivity Depends On