A flat slab of sulphur (Epsilon r = 4) is positioned normal to a uniform field. When (Rho sp) = 0.5 C m-2 on the slab surfaces, determine:
(i) P in the slab,
(ii) D in the slab,
(iii) D outside the slab (in air),
(iv) E in the slab,
(v) E outside the slab (in air).