two identicle baals each having a density rho r suspended frm a commn pt by two insulated copper stringsof eql length . both the balls have eq mass nd charge . in equllibrium both of them frm an angle theta frm vert nw they r immeresed in liquid of densit sigma (as the theta do not changes in liquid)find the di electric cons tant of the liquid
two identicle baals each having a density rho r suspended frm a commn pt by two insulated copper stringsof eql length . both the balls have eq mass nd charge . in equllibrium both of them frm an angle theta frm vert nw they r immeresed in liquid of densit sigma (as the theta do not changes in liquid)find the di electric cons tant of the liquid