A point P is located from the centre of a thin spherical shell of radius that carries…

PHYSICS · Single correct · AP · Physics C: Electricity and Magnetism · Electric Charges Fields and Gauss's Law · Electric Charges Fields and Gauss's Law

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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