Physics · Electrostatics
Match the configurations of two infinitely long parallel charged wires separated by a distance d in List-I with the magnitude of the electric field at their midpoint in List-II, and select the correct option (where k = 14πε0): List-I (P) Wires with equal charge density λ (Q) Wires with opposite charge densities +λ and -λ (R) Wires with charge densities +λ and +λ/2 (S) Wires with charge densities +λ and -λ/2 List-II (1) 6kλ/d (2) 2kλ/d (3) 4kλ/d (4) 0
- 1(P, 4), (Q, 3), (R, 2), (S, 1)✓
- 2(P, 4), (Q, 3), (R, 1), (S, 2)
- 3(P, 4), (Q, 2), (R, 3), (S, 1)
- 4(P, 3), (Q, 4), (R, 2), (S, 1)
Correct answer
(P, 4), (Q, 3), (R, 2), (S, 1)
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