From 3af0f44433f090b95df022ba13bdc2fe5282364d Mon Sep 17 00:00:00 2001 From: arc Date: Wed, 7 Jan 2026 21:17:20 -0700 Subject: [PATCH] vault backup: 2026-01-07 21:17:20 --- education/physics/PHYS2220/Gauss's Law.md | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/education/physics/PHYS2220/Gauss's Law.md b/education/physics/PHYS2220/Gauss's Law.md index e82f550..3e39eb3 100644 --- a/education/physics/PHYS2220/Gauss's Law.md +++ b/education/physics/PHYS2220/Gauss's Law.md @@ -6,4 +6,6 @@ While there's nothing directly *flowing* in an electric field, the term flux is In the simplest case with a uniform field of magnitude $E$ perpendicular to an area $A$, the flux is described as follows: $$ \Phi = EA$$ - $E$ refers to the amplitude -- $A$ refers to the area \ No newline at end of file +- $A$ refers to the area + +If the area is tilted relative to the field, then the strength of the field is reduced by a factor of $\cos \theta$, where $\theta$ is the angle between the electric field $\vec{E}$ and a vector $\vec{A}$ that's normal to the surface. This generalizes our flux equation to $\Phi = EA\cos\theta$ \ No newline at end of file