Physics - Electrostatics Question with Solution | TestHub

A bob of mass$m$is tied with a thread and is made to move in a circular path on a horizontal frictionless table about point$O$as shown in the figure. A hypothetical electric field exists in the radial direction along the surface of the table. In this condition, the bob is uncharged and the tension in the thread is$T$. If now the bob is given some charge, then