Autosave: 2023-02-10 09:49:28

This commit is contained in:
thomasabishop 2023-02-10 09:49:28 +00:00
parent 48eebb7128
commit 46f770d929
2 changed files with 1 additions and 3 deletions

View file

@ -5,8 +5,6 @@ categories:
tags: [physics, electricity]
---
# Voltage
## Difference of potential and the tranfer of energy
We noted in the discussion of [current](/Electronics_and_Hardware/Analogue_circuits/Current.md) that current flows when there is a difference of potential between two points with negatively charged atoms at one point and positively charged atoms at the other.

View file

@ -68,6 +68,6 @@ When we use **double brackets** we are using _extended_ `test`.
The extended test supports the standard `test` comparisons and adds other features:
- The use of Boolean operators:
```bash
```
[[ -d ~ || -a /bin/mash ]]; echo $?
```