Two equal and opposite charges placed in air as shown in figure :

(a) Redraw the figure and show the direction of dipole moment $\left(P\right)$, direction of resultant electric field $\left(E\right)$at $P$.

Two equal and opposite charges placed in air as shown in figure :

Write an equation to find out the electric field at $P$.

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.