Reference Terms and Units

This article is for the conference on Monday January 11

Variable	Description	Unit variables	Units
$\overrightarrow{E}$	Electric Field Intensity	$V/m\text{ or }N/C$	Volts per Meter or Newtons per Coulomb
$\overrightarrow{D}$	Electric Flux Density	$C/m^2$	Coulombs per Meter squared
$\overrightarrow{H}$	Magnetic Flux Intensity	$A/m$	Amps per Meter
$\overrightarrow{B}$	Magnetic Flux Density or Magnetic Induction	$T\text{ or }Wb/m^2\text{ or }G$	Tesla or Webers per Meter squared or Gauss

Relationships

$\overrightarrow{D}=ϵ\overrightarrow{E}$

• In free space:

• $$\begin{gathered} {ϵ}_0=\frac{1}{36\pi }\times 10^{-9} \\ F/m \end{gathered}$$

$\overrightarrow{B}=\mu \overrightarrow{H}$

• In free space:

• $$\begin{gathered} {\mu }_0=4\pi \times 10^{-7} \\ H/m \end{gathered}$$

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John Hawkins