Intro Physics Chapter 8 - Capacitance - What is a capacitor?

Lecture following Open Stax University Physics Volume 2 Chapter 8. Recorded for Phys 138 Spring 2022 at the University of Tennessee, Knoxville. Lecture slides mostly derived from those provided by Open Stax, with a few modifications, and posted here: http://nattrass.utk.edu/Phys138Spring2022/index.html . https://openstax.org/details/university-physics-volume-2