Electric field at centre O of semicircule of radius 'a' having linear charge density `lambda` given is given by

Electric field at centre of a uniforly charged semicirlce of radius a is

The dimensional formula of linear charge density lambda is

Find the electric field at the centre of a uniformly charged semicircular ring of radius R. Linear charge density is lamda

Find the electric field due to an infinitely long cylindrical charge distribution of radius R and having linear charge density lambda at a distance half of the radius from its axis.

Find the electric field at the origin due to the line charge (ABCD) of linear charge density lambda ,

Draw the electric field vs distance (from the centre ) graph for (i) a long charged rod having linear charge density lamda gt 0 (ii) spherical shell of radius R and charge Q gt 0 .

The electric field intensity due to a thin infinity long straight wire of uniform linear charge density lambda at O is-

In the given arrangement find the electric field at C in the figure. Here the U-shaped wire is uniformly charged with linear charge density lambda . [0]