PHYS 239/ENPH 239, Midterm Exam, February 26,
1. Consider thin circular disk With radius a and surface charge a that 18 oriented 1n
(a) Find the electric potential a distance 2 directly above the center of the disk.
(b) Discuss the two
Engineering Electricity and Magnetism
Midterm Feb. 2005
All parts of each question are of equal value (total 15). Do all questions. Time: 2 hours
Question 1: The electric potential (with respect to innity) inside a sphere with radius R=10