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. array ll Column-I & Column-II (A) Drift Velocity & (P) m ne 2 (B) Electrical Resistivity & (Q) nev d (C) Relaxation Period & (R) eE m (D) Current Density & (S) E J array

1. A. (A) - (R), (B) - (S), (C) - (Q), (D) - (P)
2. B. (A) - (R), (B) - (P), (C) - (S), (D) - (Q)
3. C. (A) - (R), (B) - (Q), (C) - (S), (D) - (P)
4. D. (A) - (R), (B) - (S), (C) - (P), (D) - (Q)

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