1.

The electric field in a certain region is acting radially outward and is given by \[E=Ar.\text{ }A\]. charge contained in a sphere of radius \['a'\] centred at the origin of the field' will be given by [NEET 2015]

A. \[4\pi {{\varepsilon }_{0}}A{{a}^{2}}\]
B. \[A{{\varepsilon }_{0}}{{a}^{2}}\]
C. \[A\pi {{\varepsilon }_{0}}A{{a}^{3}}\]
D. \[{{\varepsilon }_{0}}A{{a}^{3}}\]
Answer» B. \[A{{\varepsilon }_{0}}{{a}^{2}}\]


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