Solve the all parts of given question:
Question: A point charge Q = 7.80 x 10-6 C is at the center of a conducting spherical shell of radius R = 3.50 cm. The total charge of the shell is -7.80 x 10-6 C.
Part A: What is the field in the region between the point charge and the shell?
Part B: What is the field just outside the shell?
Show your work to receive full credit for this question.