PHYS 121 Lecture Notes - Lecture 4: Linear Density, Surface Charge, Electric Field

A solid non-conducting sphere of radius 3 cm has a charge of +24 micro μC. A conducting spherical shell of inner radius 6 cm and outer radius 10 cm is concentric with the solid non-conducting sphere and carries a charge of -10 μC. What is the force on an electron located midway in the space between the shell and the solid sphere? 

A solid insulating sphere of radius a = 5.00 cm carries a net positive charge of Q = 3.00 μc uniformly distributed throughout its volume. Concentric with this sphere is a conducting spherical shell with inner radius b =10.0 cm and outer radius c= 15.0 cm as shown in Figure P24.54, having net charge q= 1.00 μc Prepare a graph of the magnitude of the electric field due to this configuration versus r for 0 < r < 25.0 cm.

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