Solve the all parts of given problem:
Problem: An insulating sphere with a radius of 3.2×102 m has a uniform charge density of 5.78 C/m3 throughout its volume.
Part I: Find the magnitude of the electric field at the surface of the sphere.
Part II: Find the magnitude of the electric field at a point 1.8×10?2m from the center of the sphere.
Please show complete calculation thank you!