1. Reading Summary /next exam
Chapter 18
Parallel Plate Capacitor (548)
Chapter 19
Sections
Section 19.5 – Only what we cover in class
Chapter 20
Section
Section
Section – A covered in clss
You might want to review the problem on the next slide as an example
of the type of question that could pop up. It probably won’t, though.

2. A portable CD player operates with a voltage of 4
A portable CD player operates with a voltage of 4.5 V, and its power usage is 0.21 W. What is the current in the player?