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Electronics related equations and more.

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Electronics Reference

Electricity

Elementary Particles

Particle
Charge (Coulomb, C)
Mass (Kilogram, kg)
Charge to Mass ratio (C/kg)
Electron
latex!encoded:base64,LTEuNjAyXHRpbWVzIDEwXnstMTl9
latex!encoded:base64,OS4xMDlcdGltZXMgMTBeey0zMX0=
latex!encoded:base64,MS43Nlx0aW1lcyAxMF57MTF9
Proton
latex!encoded:base64,MS42MDJcdGltZXMgMTBeey0xOX0=
latex!encoded:base64,MS42NzNcdGltZXMgMTBeey0yN30=
latex!encoded:base64,My41OFx0aW1lcyAxMF57N30=
Neutron
None
latex!encoded:base64,MS42NzNcdGltZXMgMTBeey0yN30=
Not Applicable
No Equation

Maximum Number of Electrons in a Shell (Bohr Model)

latex!encoded:base64,XHRleHRybXtOfV9lID0gMlx0ZXh0cm17bn1eMg==

n - Shell number

No Equation

A Coulomb of Electric Charge

latex!encoded:base64,MVw7XHRleHRybXtDb3Vsb21ifSA9IDYuMjQyXHRpbWVzIDEwXnsxOH1cO1x0ZXh0cm17ZWxlY3Ryb25zfQ==
No Equation

Electric Current

latex!encoded:base64,XHRleHRybXtJfT1cZnJhY3tcRGVsdGEgXHRleHRybXtRfX17XERlbHRhIFx0ZXh0cm17dH19XDtcOyBcbGVmdCAoIFxmcmFje1x0ZXh0cm17Q291bG9tYn19e1x0ZXh0cm17c2Vjb25kfX0gXHJpZ2h0IClcO29yXDsoXHRleHRybXtBbXBlcmUsIEF9KQ==
No Equation

Current Density

latex!encoded:base64,XHRleHRybXtKfSA9IFxmcmFje1x0ZXh0cm17SX19e1x0ZXh0cm17QX19XDtcbGVmdCAoIFxmcmFje1x0ZXh0cm17QW1wZXJlfX17XHRleHRybXttfV4yfSBccmlnaHQgKQ==

The current per cross-sectional area.

No Equation

Wire Resistance

latex!encoded:base64,XHRleHRybXtSfT1ccmhvIFxmcmFje2x9e0F9XDtcOyAoXE9tZWdhICk=

R - Total Resistance (Ω)
ρ - The specific resistance or resistivity of the conductor in Ω-cm or Ω-m
- The length in cm or m
A - The cross-sectional area cm2 or m2

Temperature Effect:

latex!encoded:base64,XERlbHRhIFx0ZXh0cm17Un09XHRleHRybXtSfV97MX0gXGFscGhhIFxEZWx0YSBcdGV4dHJte1R9
latex!encoded:base64,XHRleHRybXtSfV97Mn0tXHRleHRybXtSfV97MX09XHRleHRybXtSfV97MX0gXGFscGhhIFxsZWZ0ICggXHRleHRybXtUfV97Mn0tXHRleHRybXtUfV97MX0gXHJpZ2h0ICk=
latex!encoded:base64,XHRleHRybXtSfV97Mn09XHRleHRybXtSfV97MX1cbGVmdCBbIDErXGFscGhhIFxsZWZ0ICggXHRleHRybXtUfV97Mn0tXHRleHRybXtUfV97MX0gXHJpZ2h0ICkgXHJpZ2h0IF0=

ΔR - Change in resistance due to change in temperature
R1 - Resistance at temperature T1
R2 - Resistance at temperature T2
T1 - Initial temperature
T2 - Final temperature
α - Resistance temperature coefficient

No Equation
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