24. Electric Force & Field; Gauss' Law
Gauss' Law
24. Electric Force & Field; Gauss' Law Gauss' Law
27PRACTICE PROBLEM
A thin disk has a radius R and net surface charge Q is lying on a horizontal surface. The electric field strength at distance z above the center of the disk is E. Derive an expression for the surface charge density σ in terms of the electric field E.
A thin disk has a radius R and net surface charge Q is lying on a horizontal surface. The electric field strength at distance z above the center of the disk is E. Derive an expression for the surface charge density σ in terms of the electric field E.