From 841a33b2ec8cc4b205e0e8f05c161e0ae3fba4d0 Mon Sep 17 00:00:00 2001 From: eggy Date: Fri, 5 Feb 2021 15:48:54 -0500 Subject: [PATCH] phys: electrons aren't 9.031 --- docs/sph3u7.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/docs/sph3u7.md b/docs/sph3u7.md index add7b42..0426432 100644 --- a/docs/sph3u7.md +++ b/docs/sph3u7.md @@ -899,7 +899,7 @@ V=\frac{E_E}{q} \\ \Delta V = \frac{W}{q} = \frac{\Delta E_E}{q} $$ -The **electron-volt** ($\text{eV}$) is energy required to move an electron through a potential difference of one volt ($1\text{ eV}=1.60×10^{-19}\text{ J}$). One electron has a mass of $9.031×10^{-31}\text{ kg}$. +The **electron-volt** ($\text{eV}$) is energy required to move an electron through a potential difference of one volt ($1\text{ eV}=1.60×10^{-19}\text{ J}$). One electron has a mass of $9.110×10^{-31}\text{ kg}$. When $\Delta V=0$ the points are equipotential to each other, and no work is done moving between them. The images below outline equipotential lines — note that they are always **perpendicular** to electric field lines.