Three non-conducting large parallel plates have surface charge densities `sigma, -2 sigma and 4 sigma` respectively as shown in the figure. The electric field at the point P is

If three infinite charged sheets of uniform surface charge densities sigma, 2sigma and -4 sigma are placed as shown in figure, then find out electric field intensities at points A, B, C and D.

a)State Gauss’s law in electrostatics. Show that with help of suitable figure that outward flux due to a point charge Q, in vacuum within gaussian surface, is independent of its size and shape. b) In the figure there are three infinite long thin sheets having surface charge density +2sigma, -2sigma and +sigma respectively. Give the magnitude and direction of electric field at a point to the left of sheet of charge density +2sigma and to the right of sheet of charge density +sigma

Two plane sheets of charge densities +sigma and -sigma are kept in air as shown in Fig. What are electric field intensities at points A and B ?

A large plate with uniform surface charge density sigma is moving with constant speed v as shown in the figure. The magnetic field at a small distance from plate is

Three concentric metallic shells A, B and C of radii a, b and c(a lt b lt c) have surface charge densities +sigma, -sigma and +sigma respectively as shown. Obtain the expressions for the potential of three shells A, B and C. If shells A and C are at the same potential, obtain the relation between a, b and c.

Two infinite sheets of uniform charge debsity + sigma and - sigma are parallel to each other as shown in the gugrue . Elctric field at the .

Two thin infinite parallel plates have uniform charge densities + sigma and - sigma . The electric field in the space between them is

Three large parallel plates have unifrom surface charge densities as shown in the figure. What is the electric field at P .

Two large parallel plane sheets have uniform charge densities + sigma and -sigma. Determine the electric field (i) between the sheets, and (ii) outside the sheets.