1. Electricity and Magnetism
Hw: All Chapter 2 problems and exercises
Electricity and Magnetism
Physics 208
Dr. Tatiana Erukhimova
Lecture 5

2. Example 1: Electric field of a point charge is directly radially away from or toward the charge.
Example 2: Electric field of a dipole

3. Example 3: Electric field at the center of a charged ring
Think first!
(before you start to do calculations)

4. Example 5: Find the electric field at the center of a semi-circle of radius R, if a charge Q is uniformly spread over the semi-circle. O

5. Example 4: Electric field on ring’s axis

6. Example 6: Electric field on disk’s axisz

7. Have a great day! Please don’t forget your pictures
Hw: All Chapter 2 problems and exercises
Reading: Chapter 3