A non conduction ring of radius R Has uniformly distributed positive charge ` Q.A` small part of the ring of length d, is removed (`d ltlt R`) . The electric field at the center of the ring now be .

Options

A. directed towards the gap, inversely proportional to `R^(3)`
B. directed towards the gap, inverely proportional to `R^(2)`
C. directed away from the gap, inversely proportional to `R^(3)`
D. directed away from the gap, inversely proportional to `R^(2)`

Answer

A