From afe390182cbe3e4e5fb7b03de267a5d06bb8e649 Mon Sep 17 00:00:00 2001 From: tactonbishop Date: Sun, 21 Aug 2022 18:30:05 +0100 Subject: [PATCH] Last Sync: 2022-08-21 18:30:05 --- .obsidian/app.json | 1 - .obsidian/appearance.json | 1 - .obsidian/core-plugins.json | 19 --- .obsidian/hotkeys.json | 1 - .obsidian/workspace | 141 ------------------ Electronics/Physics_of_electricity/Current.md | 10 +- ...xes_for_units_of_electrical_measurement.md | 5 + 7 files changed, 9 insertions(+), 169 deletions(-) delete mode 100644 .obsidian/app.json delete mode 100644 .obsidian/appearance.json delete mode 100644 .obsidian/core-plugins.json delete mode 100644 .obsidian/hotkeys.json delete mode 100644 .obsidian/workspace create mode 100644 Electronics/Physics_of_electricity/Prefixes_for_units_of_electrical_measurement.md diff --git a/.obsidian/app.json b/.obsidian/app.json deleted file mode 100644 index 9e26dfe..0000000 --- a/.obsidian/app.json +++ /dev/null @@ -1 +0,0 @@ -{} \ No newline at end of file diff --git a/.obsidian/appearance.json b/.obsidian/appearance.json deleted file mode 100644 index 9e26dfe..0000000 --- a/.obsidian/appearance.json +++ /dev/null @@ -1 +0,0 @@ -{} \ No newline at end of file diff --git a/.obsidian/core-plugins.json b/.obsidian/core-plugins.json deleted file mode 100644 index 96869df..0000000 --- a/.obsidian/core-plugins.json +++ /dev/null @@ -1,19 +0,0 @@ -[ - 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"Programming_Languages/Frameworks/React/Hooks/Application_state_management.md", - "Algorithms/Algorithmic_complexity.md" - ] -} \ No newline at end of file diff --git a/Electronics/Physics_of_electricity/Current.md b/Electronics/Physics_of_electricity/Current.md index 9f51042..2980aad 100644 --- a/Electronics/Physics_of_electricity/Current.md +++ b/Electronics/Physics_of_electricity/Current.md @@ -8,20 +8,18 @@ tags: [physics, electricity] > Electrical current is the movement of electrons from negatively charged atoms to negatively charged atoms when an appropriate external force is applied. -So current is the flow of electrons. Charge is the quantity that flows. Current exists because of the [first law of electrostatics](/Electronics/Physics_of_electricity/Coulombs_Law.md). +So current is the flow of electrons. Charge is the quantity that flows. > The amount of current is the sum of the charges of the moving electrons past a given point. -We use the symbol $I$ to stand for current in equations. - ## Why current exists Current exists because of the [first law of electrostatics](/Electronics/Physics_of_electricity/Coulombs_Law.md). -When there is an excess of electrons at one terminal (i.e. negatively charged atoms) and a deficiency of electrons at the other terminal (i.e. positively charged atoms), a difference of potential exists between the two terminals. +When there is an excess of electrons at one terminal (i.e. negatively charged atoms) and a deficiency of electrons at the other terminal (i.e. positively charged atoms), a _difference of potential_ exists between the two terminals. -When the terminal are connected to each other via a conductor (e.g. copper wire) electrons will flow along the conductor. This is provided that there is a source to supply electrons at one end and remove them at the other. This is **voltage source**. +When the terminals are connected to each other via a conductor (e.g. copper wire) electrons will flow along the conductor. This is provided that there is a source to supply electrons at one end and remove them at the other. We call this force the **voltage source**. -_The diagram below illustrates the flow of current where the circles are electrons knocking into each other to generate current:_ +_The diagram below illustrates the flow of current where the circles are electrons knocking into each other and passing current:_ ![](/img/charge-cylinder.svg) diff --git a/Electronics/Physics_of_electricity/Prefixes_for_units_of_electrical_measurement.md b/Electronics/Physics_of_electricity/Prefixes_for_units_of_electrical_measurement.md new file mode 100644 index 0000000..426c4c0 --- /dev/null +++ b/Electronics/Physics_of_electricity/Prefixes_for_units_of_electrical_measurement.md @@ -0,0 +1,5 @@ +--- +categories: + - Electronics +tags: [physics, electricity, exponents] +---