If 'E' is magnitude of uniform electric field in a conductor, 'τ' is the relaxation time, 'n' is the number of free electrons per unit volume in the conductor ('e' is charge and 'm' is mass of an electron) then, the term ne2Eτ/m is equal to the ______________

If 'E' is magnitude of uniform electric field in a conductor, 'τ' is

1.	If 'E' is magnitude of uniform electric field in a conductor, 'τ' is the relaxation time, 'n' is the number of free electrons per unit volume in the conductor ('e' is charge and 'm' is mass of an electron) then, the term ne2Eτ/m is equal to the ______________
A.	conductivity
B.	resistivity
C.	current density
D.	permittivity
Answer» D. permittivity

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If 'E' is magnitude of uniform electric field in a conductor, 'τ' is the relaxation time, 'n' is the number of free electrons per unit volume in the conductor ('e' is charge and 'm' is mass of an electron) then, the term ne2Eτ/m is equal to the ______________

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