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The Electrostatic System of Units (ESU)
Description
The electrostatic system of units (ESU) has the centimeter, gram, second, and franklin as its base units, where the franklin is energy-equivalent to the unit square root dyne centimeter (). For naming consistency, the franklin is called the abcoulomb.
When used in conjunction with the UseSystem command, the electrostatic system sets the following units for the given dimensions.
Dimension Name
Unit Name
length
centimeter
mass
gram
time
second
speed
kyne
acceleration
gal
energy
erg
force
dyne
power
erg per second
pressure
barye
electric current
statampere
electric charge
statcoulomb
electric capacitance
statfarad
magnetic inductance
stathenry
electric conductance
statsiemens
electric resistance
statohm
magnetic flux density
stattesla
electric potential
statvolt
magnetic flux
statweber
plane angle
radian
solid angle
steradian
Examples
Electrostatic units can be converted to their energy equivalents.
If infolevel is set to a greater integer (possible settings are 1 through 5), more detailed information about the computation method is displayed.
convert/system: "converting to the units erg/s"
convert/system: "converting to the units statS"
See Also
convert/system, convert/units, infolevel, unassign, Units, Units/EnergyConversions, Units/Index, Units/Standard, Units/Systems, Units[UseSystem]
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