Column - I gives certain physical terms associated with flow of current through a metallic conductor. Column - II gives some mathematical relations…

Column - I gives certain physical terms associated with flow of current through a metallic conductor. Column - II gives some mathematical relations involving electrical quantities. Match Column - I and Column - II with appropriate relations.

Column - I

Drift Velocity

Electrical Resistivity

Relaxation Period

Current Density

Column - II

(P) $\displaystyle \frac{\mathrm{m}}{\mathrm{ne}^2 \rho}$

(Q) $\displaystyle n e v_d$

(R) $\displaystyle \frac{\mathrm{eE}}{\mathrm{m}} \tau$

(S) $\displaystyle \frac{\mathrm{E}}{\mathrm{J}}$