Electrostatics ...

Two large metal plates are placed parallel to each other. The inner surfaces of plates are charged by + σ and – σ (Cm^-2 ). The outer surfaces are neutral. The electric field in the region between the plates and outside the plates is

Consider a thin spherical shell of radius R consisting of uniform surface charge density σ. The electric field at a point of distance x from its centre and outside the shell is

Charges are placed on the vertices of a square as shown. Let E be the electric field and V the potential at the centre. If the charges on A and B are interchanged with those on D and C respectively, then

The potential of the electric field produced by point charge at any point (x, y, z) is given by, V = 3x² + 5, where, x, y are in metres and V is in volts. The intensity of the electric field at (–2, 1, 0) is

Which of the following configurations of electric lines of force is not possible?

Two spherical conductors A and B of radii 1mm and 2mm are separated by a distance of 5cm and are uniformly charged. If the spheres are connected by a conducting wire, then in equilibrium condition, the ratio of the magnitude of the electric fields at the surfaces of spheres A and B is

Two unlike charges of the same magnitude Q are placed at a distance d. The intensity of the electric field at the middle point in the line joining the two charges.

The spatial distribution of the electric field due to charges (A, B) is shown in figure. Which one of the following statements is correct?

Let V be the electric potential at a given point. Then, the electric field E_x along x–direction at that point is given by