The linear charge densities of two infinitely long thin and parallel wires are $4 \mathrm{Cm}^{-1}$, $8…

The linear charge densities of two infinitely long thin and parallel wires are $4 \mathrm{Cm}^{-1}$, $8 \mathrm{Cm}^{-1}$ and separation between them is $4 \mathrm{~cm}$. Then the electric field intensity at mid point on the line joining them is
  1. $18 \times 10^{11} \mathrm{NC}^{-1}$
  2. $36 \times 10^{11} \mathrm{NC}^{-1}$
  3. $9 \times 10^{11} \mathrm{NC}^{-1}$
  4. $72 \times 10^{11} \mathrm{NC}^{-1}$

Solution

No solution. Refer to answer key.

Asked in: AP EAMCET 2017 (25 Apr Shift 2)

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