I discuss the meaning of a double-subscript notation for voltage measurements.
See my previous video, in which I introduce the concepts of voltage and voltage measurement. https://youtu.be/XQI92QvenxU
In my next video, we show how voltages add in series. Link: https://youtu.be/0rC637OgF9U
This simulation was done using PhET Circuit Construction Kit: DC. This is free educational software, which may be downloaded here: https://phet.colorado.edu/en/simulations/circuit-construction-kit-dc-virtual-lab
