Q.2 The figure below shows two equipotential lines in XY plane for an electric field .The scales are marked .The X-component Ex and Y-component Ey of the electric field in the space between these equipotential lines are respectively : (a) +100 V/m , -200 V/m (b) +200V/m, +100 V/m (c) -100 V/m, +200 V/m (d) -200V/m, -100V/m