1. Electricity and Magnetism
Hw: All Chapter 5 problems and exercises
Electricity and Magnetism
Physics 208
Dr. Tatiana Erukhimova
Lecture 12

2. Outline Applications of Gauss’s Law - The single Fixed Charge
Field of a sphere of charge
Field of a spherical shell
A Line of Charge
Conductors and Insulators
The electric field of a conductor
The field in the cavity of a conductor;
Faraday’s Cage

3. Gauss’s Law
The total flux of electric field out of any closed surface is equal to the charge contained inside the surface divided by

4. Conductors and insulators
Charges reside at the surface of the conductor + + + + + + + +
Conductor + +
E=0 + + + + +

5. Solid conducting sphere with charge QV r A r

6. Electric field of a ball of chargeQ
Electric field outside of a charged sphere is exactly the same as the electric field produced by a point charge, located at the center of the sphere, with charge equal to the total charge on the sphere.

7. 105-109 Heldenfels First exam Tuesday, February 14
Sections 522, 523, 524 start at 7 pm
Sections 525, 526, 527 start at 8:05 pm

8. No calculators and cell phones
BRING YOUR STUDENT ID!
No calculators and cell phones

9. What is included?
Chapters 1-4

11. Be prepared for the test!
Have a great day!
Be prepared for the test!