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coolriya (482)

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SI units related to magnetism



Symbol Name of Quantity Derived Units Unit Base Units
I Magnitude of current ampere (SI base unit) A A = W/V = C/s
q Electric charge, Quantity of electricity coulomb C A·s
V Potential difference or Electromotive force volt V J/C = kg·m2·s?3·A?1
R, Z, X Resistance, Impedance, Reactance ohm ? V/A = kg·m2·s?3·A?2
? Resistivity ohm metre ?·m kg·m3·s?3·A?2
P Power, Electrical watt W V·A = kg·m2·s?3
C Capacitance farad F C/V = kg?1·m?2·A2·s4

Elastance reciprocal farad F?1 V/C = kg·m2·A?2·s?4
? Permittivity farad per metre F/m kg?1·m?3·A2·s4
?e Electric susceptibility (dimensionless) - -
G, Y, B Conductance, Admittance, Susceptance siemens S ??1 = kg?1·m?2·s3·A2
? Conductivity siemens per metre S/m kg?1·m?3·s3·A2
B Magnetic flux density, Magnetic induction tesla T Wb/m2 = kg·s?2·A?1 = N·A?1·m?1
?m Magnetic flux weber Wb V·s = kg·m2·s?2·A?1
H Magnetic field strength,Magnetic field intensity ampere per metre A/m A·m?1

Reluctance ampere-turn per weber A/Wb kg?1·m?2·s2·A2
L Inductance henry H Wb/A = V·s/A = kg·m2·s?2·A?2
? Permeability henry per metre H/m kg·m·s?2·A?2
?m Magnetic susceptibility (dimensionless)


? and ? * Electric and Magnetic hertzian vector potentials n/a n/a


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