Question

Two positive charges Q and 2Q are kept at points A and B, separated by a distance 2d, as shown in the figure. MCL is a semicircle of radius 2d centered at the origin O. If Q=2C and d=10cm, the value of the line integral $∫^L_M{\overrightarrow{E}}.{\overrightarrow{dl}}$ (where $\overrightarrow{E}$ represents electric field) along the path MCL will be____V.

Answer 1

The correct answer is: 0