If '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 "ne2τ/m" is equal to the __________.

If 'τ' is the relaxation time, 'n' is the number of free electrons pe

1.	If '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 "ne2τ/m" is equal to the __________.
A.	conductivity
B.	resistivity
C.	permittivity
D.	mobility
Answer» B. resistivity

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If '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 "ne2τ/m" is equal to the __________.

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