Question : An electrostatic field in a region is radially outward with magnitude E = αr, where α is a constant and r is radial distance. The charge contained in a sphere of radius R in this region (centred at the origin) is :- Options: 1 πԑ0αR3 2. 4πԑ0αR3 3. 8πԑ0αR3 4. 0
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