A long charged cylinder of linear charged density `lambda` is surrounded by a hollow co-axial conducting cylinder. What is the electric field in the space between the two cylinders ?

A long charged cylinder of linear charge density lambda is surrounded by a hollow co-axial conducting cylinder. What is the electric field in the space between the two cylinders ?

A long charged cylinder of linear charge density lambda is surrounded by a hollow co-axial conducting cylinder. What is the electric field in the space between the two cylinders ?

A long charged cylinder of linear charge density lambda is surrounded by a hollow co-axial conducting cyclinder. What is the electric field in the space between the two cylinders ?

A long charged cylinder of linear charge density lambda is surrounded by a hollow co-axial conducting cylinder. What is electric field in the space between the two cylinders?

Two parallel infinite line charges with linear charge densities +lambda C//m and -lambda C/m are placed at a distance of 2R in free space. What is the electric field mid-way between the two line charges?

Two parallel infinite line charge with linear charge densities +lambda C//m and -lambda C//m are placed at a distance of 2R in free space. What is the electric field mid-way between the two line charges ?

Two parallel infinite line charges with linear charge densities +lambda C//m and -lambda C/m are placed at a distance of 2R in free space. What is the electric field mid-way between the two line charges?

Two parallel infinite line charges with linear charge densities +lambda C//m and -lambda C/m are placed at a distance of 2R in free space. What is the electric field mid-way between the two line charges?