House & Home Physics
Voltage Drop Along a Wire Run
V_drop = I·ρ·2L / A

Copper resistance over a long circuit steals voltage proportional to current and length — why distant outlets need a heavier wire gauge.
Computed & rendered in pure C# on the frozen OnlyCSharp 1.8 library — animation baked to GIF with the library's own
Gif encoder (no GPU, no ffmpeg, no external packages).