Two nonconducting spheres of radii \( R_{1} \) and \( R_{2} \) and carrying uniform volume charg... VIDEO
Two nonconducting spheres of radii \( R_{1} \) and \( R_{2} \) and carrying uniform volume charge densities \( +\rho \) and \( -\rho \), respectively, are placed such that they partially overlap, as shown in the figure. At all points in the overlapping region,
(1) the electrostatic field is zero
(2) the electrostatic potential is constant
(3) the electrostatic field is constant in magnitude
(4) the electrostatic field has same direction
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