Statement
6.5.12. A thin metal plate was inserted into a uniform electric field of intensity E. The plane of the plate is
perpendicular to the direction of the electric field.
a. What is the surface charge density on different sides of the plate? What is the electrical pressure on
the surface of the plate?
b. Thickness of the plate introduced into the field h, area S. What is the minimum work required to
remove the plate from the electric field?
Solution