The following data was obtained for the dependence of the magnitude of electric field with distance from a reference point O, within the charge distribution in the shaded region show in the fig.
Identify the charge distribution and justify your answer.

The following data was obtained for the dependence of the magnitude of electric field with distance from a reference point O, within the charge distribution in the shaded region show in the fig. If the potential due to this charge distribution has a value V at the point A, what is its value at the point A'?

How does electric field at a point change with distance r from an infinite thin sheet of charge?

Derive an expression for electric field intensity at a distance r from a point charge q.

How does electric field at a point change with distance r from an infinitely long charged wire?

The potential at a certain distance from a point charge is 600 volt and the electric field is 200 NC^-1 find the distance of the point from the charge.

Does the strength of electric field due to an infinity long line charge depend upon the distance of the obervation point from the line charge?

Graphically, represent the variation of electric field due to a point charge Q with 1//r^2 where r is the distance of the obervation point from the charge.

Does the strength of electric field due to an infinite plane sheet of charge depend upon the distance of the osbervation point from the sheet of charge?

A point charge q is placed at the origin. How does the electric field due to the charge vary with distance r from the origin?