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In figure 3 given below, Electric field intensity ‘E’ at a point P, at a perpendicular distance ‘r’…

Physics20221 markMCQ

In figure 3 given below, Electric field intensity ‘E’ at a point P, at a perpendicular distance ‘r’ from an infinitely long line charge X’X having linear charge density $\lambda$ is given by:

(a)$E = \left(\frac{1}{4\pi\epsilon_0}\right) \frac{2\lambda}{r^2}$
(b)$E = \left(\frac{1}{4\pi\epsilon_0}\right) \frac{2\lambda}{r}$
(c)$E = \left(\frac{1}{4\pi\epsilon_0}\right) \frac{\lambda}{r^2}$
(d)$E = \left(\frac{1}{4\pi\epsilon_0}\right) \frac{\lambda}{r}$

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Electric Charges and Fields

From ISC 2022 Specimen Physics Paper 1, question 9.