Two mutually perpendicular wire carry charge densities λ₁ and λ₂. The electric line of force makes angle α with second wire, then the ratio λ₁λ₂ is equal to (in terms of angle α)
[infinity] λ₁ l │ │ ╱ │ ╱ │ ╱ [infinity] _ _ _ ____________ │╱)α_____________ _ _ _[infinity] ╱ │ λ₂ ╱ │ ╱ │ l [infinity] A. cot²α B. tan²α C. sin²α D. cos²α