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Template:SI electromagnetism units

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SI electromagnetism units
Symbol[1] Name of quantity Unit name Symbol Base units
E energy joule J = C⋅V = W⋅s kg⋅m2⋅s−2
Q electric charge coulomb C A⋅s
I electric current ampere A = C/s = W/V A
J electric current density ampere per square metre A/m2 A⋅m−2
U, ΔV; Δϕ; E, ξ potential difference; voltage; electromotive force volt V = J/C kg⋅m2⋅s−3⋅A−1
R; Z; X electric resistance; impedance; reactance ohm Ω = V/A kg⋅m2⋅s−3⋅A−2
ρ resistivity ohm metre Ω⋅m kg⋅m3⋅s−3⋅A−2
P electric power watt W = V⋅A kg⋅m2⋅s−3
C capacitance farad F = C/V kg−1⋅m−2⋅A2⋅s4
ΦE electric flux volt metre V⋅m kg⋅m3⋅s−3⋅A−1
E electric field strength volt per metre V/m = N/C kg⋅m⋅A−1⋅s−3
D electric displacement field coulomb per square metre C/m2 A⋅s⋅m−2
ε permittivity farad per metre F/m kg−1⋅m−3⋅A2⋅s4
χe electric susceptibility (dimensionless) 1 1
p electric dipole moment coulomb metre C⋅m A⋅s⋅m
G; Y; B conductance; admittance; susceptance siemens S = Ω−1 kg−1⋅m−2⋅s3⋅A2
κ, γ, σ conductivity siemens per metre S/m kg−1⋅m−3⋅s3⋅A2
B magnetic flux density, magnetic induction tesla T = Wb/m2 = N⋅A−1⋅m−1 kg⋅s−2⋅A−1
Φ, ΦM, ΦB magnetic flux weber Wb = V⋅s kg⋅m2⋅s−2⋅A−1
H magnetic field strength ampere per metre A/m A⋅m−1
F magnetomotive force ampere A = Wb/H A
R magnetic reluctance inverse henry H−1 = A/Wb kg−1⋅m−2⋅s2⋅A2
P magnetic permeance henry H = Wb/A kg⋅m2⋅s-2⋅A-2
L, M inductance henry H = Wb/A = V⋅s/A kg⋅m2⋅s−2⋅A−2
μ permeability henry per metre H/m kg⋅m⋅s−2⋅A−2
χ magnetic susceptibility (dimensionless) 1 1
m magnetic dipole moment ampere square meter A⋅m2 = J⋅T−1 A⋅m2
σ mass magnetization ampere square meter per kilogram A⋅m2/kg A⋅m2⋅kg−1
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