Two spheres encloses charges as shown in figure:

Derive an expression for electric field intensity at any point on the surface ${\mathrm{S}}_2$

Two spheres encloses charges as shown in figure:

What is the ratio of electric flux through ${\mathrm{S}}_1$ and ${\mathrm{S}}_2$?

The electric field lines of a positive charge is as shown in figure:

Give the sign of work done by the field in moving a small positive charge from $\text{'}\mathrm{Q}\text{'}$ to $\text{'}\mathrm{P}\text{'}$.

A spherical shell of radius $\mathrm{R}$ is uniformly charged with charge $+\mathrm{q}$. By Gauss's theorem, find the electric field intensity at a point $\mathrm{p}$. Outside the spherical shell.

A spherical shell of radius $\mathrm{R}$ is uniformly charged with charge $+\mathrm{q}$. By Gauss's theorem, find the electric field intensity at a point $\mathrm{p}$.

Inside the spherical shell.

A permanent electric dipole of dipole moment $\mathrm{p}$is placed in a uniform external electric field $\mathrm{E}$, as shown in Figure.

Redraw the figure and show the magnitude and direction of force acting on the charges.

An infinitely long thin straight wire with uniform linear charge density is shown in figure.

Draw a Gaussian surface in order to calculate the electric direction field at $\mathrm{P}$ and mark direction of electric field at this point.