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Template
:
SI electromagnetism units
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Template:Navbar-header
Symbol<ref>
Template:GreenBook2nd
</ref>
Name of quantity
Unit name
Symbol
Base units
Template:Mvar
energy
joule
J = C⋅V = W⋅s
kg⋅m
2
⋅s
−2
Template:Mvar
electric charge
coulomb
C
A⋅s
Template:Mvar
electric current
ampere
A = C/s = W/V
A
Template:Math
electric current density
ampere
per square metre
A/m
2
A⋅m
−2
Template:Mvar
,
Template:Math
;
Template:Math
;
Template:Mathcal
,
Template:Mvar
potential difference
;
voltage
;
electromotive force
volt
V = J/C
kg⋅m
2
⋅s
−3
⋅A
−1
Template:Mvar
;
Template:Mvar
;
Template:Mvar
electric resistance
;
impedance
;
reactance
ohm
Ω = V/A
kg⋅m
2
⋅s
−3
⋅A
−2
Template:Mvar
resistivity
ohm
metre
Ω⋅m
kg⋅m
3
⋅s
−3
⋅A
−2
Template:Mvar
electric power
watt
W = V⋅A
kg⋅m
2
⋅s
−3
Template:Mvar
capacitance
farad
F = C/V
kg
−1
⋅m
−2
⋅A
2
⋅s
4
Template:Math
electric flux
volt
metre
V⋅m
kg⋅m
3
⋅s
−3
⋅A
−1
Template:Math
electric field
strength
volt
per
metre
V/m = N/C
kg⋅m⋅A
−1
⋅s
−3
Template:Math
electric displacement field
coulomb
per
square metre
C/m
2
A⋅s⋅m
−2
Template:Mvar
permittivity
farad
per
metre
F/m
kg
−1
⋅m
−3
⋅A
2
⋅s
4
Template:Math
electric susceptibility
(
dimensionless
)
1
1
Template:Math
electric dipole moment
coulomb
metre
C⋅m
A⋅s⋅m
Template:Mvar
;
Template:Mvar
;
Template:Mvar
conductance
;
admittance
;
susceptance
siemens
S = Ω
−1
kg
−1
⋅m
−2
⋅s
3
⋅A
2
Template:Mvar
,
Template:Mvar
,
Template:Mvar
conductivity
siemens
per
metre
S/m
kg
−1
⋅m
−3
⋅s
3
⋅A
2
Template:Math
magnetic flux density, magnetic induction
tesla
T = Wb/m
2
= N⋅A
−1
⋅m
−1
kg⋅s
−2
⋅A
−1
Template:Math
,
Template:Math
,
Template:Math
magnetic flux
weber
Wb = V⋅s
kg⋅m
2
⋅s
−2
⋅A
−1
Template:Math
magnetic field
strength
ampere
per
metre
A/m
A⋅m
−1
Template:Mathcal
magnetomotive force
ampere
A = Wb/H
A
Template:Mathcal
magnetic reluctance
inverse
henry
H
−1
= A/Wb
kg
−1
⋅m
−2
⋅s
2
⋅A
2
Template:Mathcal
magnetic permeance
henry
H = Wb/A
kg⋅m
2
⋅s
–2
⋅A
–2
Template:Mvar
,
Template:Mvar
inductance
henry
H = Wb/A = V⋅s/A
kg⋅m
2
⋅s
−2
⋅A
−2
Template:Mvar
permeability
henry
per
metre
H/m
kg⋅m
⋅s
−2
⋅A
−2
Template:Mvar
magnetic susceptibility
(
dimensionless
)
1
1
Template:Math
magnetic dipole moment
ampere
square meter
A⋅m
2
= J⋅T
−1
A⋅m
2
Template:Mvar
mass
magnetization
ampere
square meter
per
kilogram
A⋅m
2
/kg
A⋅m
2
⋅kg
−1
Template:Documentation