76 lines
1.6 KiB
Markdown
76 lines
1.6 KiB
Markdown
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## Farad
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Measures capacitance, the ability of a body to store an electrical charge.
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1 Farad = the ability to store 1 couloumb
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Term | Symbol | Weight
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-----------|----|------
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Picofarad | pW | $10^{-12}$
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Nanofarad | nF | $10^{-9}$
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Microfarad | $\micro$F | $10^{-6}$
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Milifarad | mF | $10^{-3}$
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Farad | F | $10^0$
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Kilofarad | kF | $10^{3}$
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## Couloumb
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1 coulomb is the electric charge transported within one second through the cross-section of a conductor in which an electric current of the strength of 1 ampere flows.
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## Henry
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Measures electrical Inductance
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$\displaystyle V(t)=L{\frac {dI}{dt}}$
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## Volts
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Measures electric potential
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## Amperes
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Measures electric current
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## Ohms
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Measures resistance
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Term | Symbol | Weight
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-----------|----|------
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Nanoohm | n$\ohm$ | 10-9
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Microohm | $\micro \ohm$ | $10^{-6}$
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Milliohm | m$\ohm$ | $10^{-3}$
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Ohm | $\ohm$ | $10^{0}$
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Kiloohm | k$\ohm$ | $10^{3}$
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Megaohm | M$\ohm$ | $10^{6}$
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Gigaohm | G$\ohm$ | $10^{9}$
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## Hertz
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Measures frequency
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Term | Symbol | Weight
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----------|------- | -----
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Hertz | Hz | $10^0$
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Kilohertz | kHz | $10^{3}$
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Megahertz | mHz | $10^6$
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## Watt
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Measures Power
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$Power = V * I = \frac{V^{2}}{R} = I^{2}R$
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Joules per Second
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Term | Symbol | Weight
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-----------|----|------
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Nanowatt | nW | $10^{-9}$
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Microwatt | $\micro$W | $10^{-6}$
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Milliwatt | mW | $10^{-3}$
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Watt | W | $10^{0}$
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Kilowatt | kW | $10^{3}$
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Megawatt | MW | $10^{6}$
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Gigawatt | GW | $10^{9}$
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**Examples:**
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Device | Power
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-------|----------
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Arduino| 167mW
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Laptop | 1.5W
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House | 2.2kW
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