A thin nonconducting spherical shell of radius 6 cm carries a uniform surface charge density ? = 9 nC/m2.
(a) What is the total charge on the shell?
nC
Find the electric field at the following radii
(b) r = 2.5 cm
________?_____ N/C
(c) r = 5.9 cm
________?_______N/C
(d) r = 6.1 cm
________?________N/C
(e) r = 11 cm
________?__________N/C