why electric field due to a solid sphere is in radial direction. Two rings each of radius r are coaxially placed a distance r metres apart.if q1 and q2 berespectively the charges uniformly spread on the rings the work done in moving a charge q from the centre of one ring to that of other
why electric field due to a solid sphere is in radial direction.
Two rings each of radius r are coaxially placed a distance r metres apart.if q1 and q2 be
respectively the charges uniformly spread on the rings the work done in moving a charge q from the centre of one ring to that of other










