Charge q = + 15 nC is uniformly distributed on aspherical shell that has a radius of 120 mm.

1. What is the magnitude of the electric field just outside theshell? (Express your answer with the appropriate units.)

2. What is the magnitude of the electric field just inside theshell? (Express your answer with the appropriate units.)

3. What is the direction of the electric field just outside andjust inside the shell?

a. radially inward just outside the shell, radially outwardjust inside the shell

b. radially inward just outside the shell, zero just inside theshell

c. radially outward just outside the shell, radially inwardjust inside the shell

d. zero just outside the shell, radially inward just inside theshell

e. zero just outside the shell, radially outward just insidethe shell

f. radially outward just outside the shell, zero just inside theshell

4. What is the electrostatic potential just outside the shell,relative to zero at infinity? (Express your answer with theappropriate units.)

5. What is the electrostatic potential just inside the shell,relative to zero at infinity? (Express your answer with theappropriate units.)

6. What is the electrostatic potential at the shell's center?(Express your answer with the appropriate units.)

7. What is the electric field magnitude at the shell's center?(Express your answer with the appropriate units.)