Practice Aner v. Prac h V. fin C Pvious An n HRW 2 POsn Mot A r Teaer A square plate of edge length 14.0 em and negligibie thickness has a total charge of 5.20 x 10C. (a) Estimate the magnitude E of the electric field junt off the center of the plate (at, say, a distance of 0.50 mm from the centar) by assumng that the chage spread untormiy over the twe faces of the plate. 2e4 X NC (b) Estimate E at a distance of 35 m (large relative to the plate sae) by asuming that the plate isa point charpe X NC How is the feld right outde a charged metal surface related to the surface charge density Howthat ety related te the tutat charge ana the dinmensions of the e ea ne lk Secion 24 Apeyng G L Per Symmety itA Gee Progrn Pation Ather Ven MH O A r 12O e Pe s imm Cand that on the uter shel C Pind the Tea charged oconcentric spherical shels have radi of 10.0 em and4 m. The charge on the inner shell is 3 0 magnitude of the electric feld at the felowing points ()rL0 cm 26Te )a 19 cm the o on Ang G L herymmeny 7 8 9 6.