Embibe Experts Solutions for Chapter: Electric Charges and Fields, Exercise 1: Manipur Board-2018

Define an electric dipole.

What is an electric field? Derive an expression for electric field due to an electric dipole at any point along its equatorial line.

A point charge of $4.427 \mathrm{\mu C}$ is at the centre of a cubic Gaussian surface $9.0 \mathrm{cm}$ on the edge. Find the net electric flux through the surface.

$\left({\mathrm{\epsilon }}_0=8.854\times {10}^{-12} {\mathrm{C}}^2{\mathrm{N}}^{-1}{\mathrm{m}}^{-2}\right)$

If a charge $\mathrm{q}$ is placed at the centre of the line joining two equal charges $\mathrm{Q}$ such that the system is in equilibrium, then value of $\mathrm{q}$ is 

Define dipole moment vector of an electric dipole. Give the direction of the vector.

Using Gauss's law of electrostatics obtain the expression for the electric field at a point near an infinitely long thin straight wire with uniform linear charge density $\mathrm{\lambda }$.