Physics

Physics

Problem

A point P is located 2 cm2\,\text{cm} from the centre of a thin spherical shell of radius 10 cm10\,\text{cm} that carries a uniform surface charge density σ\sigma. The magnitude of the electric field at P is a) σε0\dfrac{\sigma}{\varepsilon_0} b) σ2ε0\dfrac{\sigma}{2\varepsilon_0} c) 0 N C−10\,\text{N C}^{-1} d) σR2ε0r2\dfrac{\sigma R^{2}}{\varepsilon_0 r^{2}}

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