28 A uniform electric field E = E,ê. exists in a region of 3 Ans. (b) Ar permittivity 6,.Ahomogeneous sphere of radius a with permittivity 6,(<&,) is embedded in the region. At the centre of the sphere EE (a) V.Ē =0, V.Ď=0 (b) V.Ē=0, V.D #0 (c) V.Ē 0, V.D=0 (d) VĒz0, V.Ď#0 [JAM GP-20071 Ans. (o T... 1 11+son.