Two infinite non-conducting sheets of charge are parallel to each other, with sheet A in the x = -3.0 m plane and sheet B in the x = +3.0 m plane. Find the electric field in the region x < -3.0 m, in the region x > +3.0 m, and between the sheets for the following situations:
(a) When each sheet has a uniform surface charge density equal to +6.0 μC/m^2.
(b) When sheet A has a uniform surface charge density equal to +6.0 μC/m^2 and sheet B has a uniform surface charge density equal to -6.0 μC/m^2.
(c) Sketch the electric field-line pattern for each case.