Find the equation of the equipotentials for an infinite cylinder of radius `r_0`, carrying charge of linear density `lambda`.

The volume of a cylinder of radius r and length h is

Find the equations of the following circle : Centre (0, 2) and radius 2.

Use Gauss' law to derive the expression for the electric field due to straight uniformally charged infinite line of charge density lambda cm^-1 .

The total surface area of a cylinder of base radius r and height h is :

Write the formula to find volume of a cylinder with radius 'r' and height ‘h'.

Write the formula to find the curved surface area of a cylinder with radius ‘r' and height ‘h'.

Find the Electric field due to two infinite plane parallel sheet of charge.

In the following ,find the equation of the circle with:-centre (0,2) and radius 2