Electrical Engineering Stack Exchange
Electrical Engineering Stack Exchange

Questions tagged [units]

A specified amount of a quantity (e.g. voltage, current, power, time, etc.) by comparison with which any other quantity of the same kind is measured or estimated. The standard system of units is the International System of Units (SI).

A specified amount of a quantity (e.g. voltage, current, power, time, etc.) by comparison with which any other quantity of the same kind is measured or estimated. The standard system of units is the International System of Units (SI).

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What kilogram is doing in volt unit definition?

My question is inspired by this: Why do farads multiplied by ohms produce a result that has a unit of seconds? I want to ask what kilogram is doing in this equation: $$\mathrm{V = \frac{kg \cdot m^2}{A \cdot s^3}}$$
Kamil
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Is "p" ever used to abbreviate pi in formulas?

I keep running into formulas in datasheets and articles that appear to be abbreviating pi as 'p'. An example from Ask The Applications Engineer-25: Op Amps Driving Capacitive Loads shows "1/2p..." in many places when calculating frequencies of poles…
Ben Froelich
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Why is current (and not charge) an SI base unit?

Recently I've been wondering why the Ampere is an SI base unit and not the Coulomb (which is derived). I read this answer https://electronics.stackexchange.com/a/23456/16834 , but I'm not sure I'm understanding the discussion. To me it seems like…
hedgepig
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Why do so many PCB-designers use non-metric units?

TLDR: Why do so many PCB-designers use non-metric units? Sorry for asking this closed question again: what is the advantage of non-metric units But I do not understand, and there is also no other answer for the linked question, why non-metric units…
12431234123412341234123
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What is the meaning of VFS

I am working with a Dataq DI-1100 whose specs tout: "The analog inputs offer a fixed measurement range of ±10VFS..." VFS looks like a unit, but I find the language confusing. Researching turns up statements like, "where VFS is the full-scale…
Lorem Ipsum
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Can I represent the value by using this unit

I want to represent this value in a better way for my report. This value is 3.1x10^-4 the unit is dBi Can I rather represent this value using this: 310 udBi The u in udBi is micro dBi
JoeyB
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What other units can influence the way a wire glows than watt?

I have a vape device with a mod that lets me configure the power I want to operate it with and also as an additional setting that is called vape strength which can be set to soft/medium/hard. When operating it on soft it generates just medium…
dhein
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What is a term for voltage that does not involve the unit?

Basically the title. What is the term that means the same thing as "voltage", but does not invoke a specific unit (in this case, volts)?
anna328p
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What is the advantage of non-metric units?

Why are non-metric units so widely used in elctrical designes?
lalala lalala
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Meters per square root hertz

Looking at some ESA papers I found an unit that I don't know, picometers per square root hertz. Anybody could tell me what this unit is for? Thanks!
Samuel Góngora
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