A solid conducting sphere of radius 2.00cm has a charge 15.00μC. A conducting spherical shell of inner radius 4.00cm and outer radius 5.00cm is concentric with the solid sphere and has a total charge of -7.00μC. (Take radially outward as the positive direction.)
a) Find the electric field at r = 1.00 cm from the center of this charge configuration.
b) Find the electric field at r = 3.00 cm from the center of this charge configuration.
c) Find the electric field at r = 4.50 cm from the center of this charge configuration.
d) Find the electric field at r = 7.00 cm from the center of this charge configuration.