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 Column - II (A) Drift Velocity (P) ${m \over {n{e^2}p}}$ (B) Electrical Resistivity (Q) $ne{\upsilon _d}$ (C) Relaxation Period (R) ${{eE} \over m}\tau $ (D) Current Density (S) ${E \over J}$

Question

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		Column - II
(A)	Drift Velocity	(P)	${m \over {n{e^2}p}}$
(B)	Electrical Resistivity	(Q)	$ne{\upsilon _d}$
(C)	Relaxation Period	(R)	${{eE} \over m}\tau $
(D)	Current Density	(S)	${E \over J}$

(A)-(R); (B)-(Q); (C)-(S); (D)-(P)

(A)-(R); (B)-(S); (C)-(P); (D)-(Q)

(A)-(R); (B)-(S); (C)-(Q); (D)-(P)

(A)-(R); (B)-(P); (C)-(S); (D)-(Q)

Solution

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