Electric field intensity ‘E’ at a point P (Figure) at a perpendicular distance ‘r’ from an infinitely long line charge X’X having linear charge density λ is given by :
(A) E = \((\frac{1}{4\pi\in_0})\; \frac{2\lambda}{r^2}\)
(B) E = \((\frac{1}{4\pi\in_0})\; \frac{2\lambda}{r}\)
(C) E = \((\frac{1}{4\pi\in_0})\; \frac{\lambda}{r^2}\)
(D) \((\frac{1}{4\pi\in_0})\; \frac{\lambda}{r^2}\)