1. Introduction to physics 212
Dr. Muhammad Ali Yousuf

2. Plan for Today

3. A few points before we start
Course material:
Expert TA has two versions of HW 1
Formula sheet now available
You don’t need to buy OpenStax book (DOWNLOAD it)
Book does not explain some topics in detail
Physics by Cutnell and Johnson
College Physics, by Wilson, Buffa and Lou

4. PhET Simulations

5. 18.3 Coulomb’s Law
The magnitude of the electrostatic force exerted by one point charge on another point charge is directly proportional to the magnitude of the charges and inversely proportional to the square of the distance between them.

6. Let’s solve some problems from the book …

7. The Electric Field Point charge q:
The electric field does not depend on the test charge.
Point charge q:

8. Let’s solve some problems from the book …

9. CCD Camera (Charge Coupled Device)

10. And God said:
and there was light