AP Physics 2: Static Electricity 32.2: Adding Dielectric to a Charged Capacitor: Battery Stays

Ms. Twu's AP Physics B / AP Physics 1 and 2 lesson videos are designed for students who have never had physics before. These videos are also used for "flipped classroom" teaching at Eleanor Roosevelt High School.
Her AP Physics C lesson videos are designed for students who are at least taking pre-calculus concurrently.