The electric field at a distance `r` from a long wire having charge per unit length `lambda` is

The electric field intensity due to infinite cylinder having charge q per unit length and radius R at a distance r that is greater than R from its axis is

Two points are at distance a and b (a lt b) from a long string of charge per unit length lambda . The potential difference between th epoints is proportional to

The electric field at distance .r. from infinte line of charge ("having linear charge density" lambda) is

Electric field at a point of distance r from a uniformly charged wire of infinite length having linear charge density lambda is directly proportional to

Electric field at a point of distance r from a uniformly charged wire of infinite length having linear charge density lambda is directly proportional to

Electric field at a point of distance from a uniformly charged wire of infinite length having linear charge density lambda is directly proportional to

A small part of dl length is removed from a ring having charge per unit length lamda . Find electric field at centre due to remaining ring.

A small part of dl length is removed from a ring having charge per unit length lamda . Find electric field at centre due to remaining ring.