6-1

electric current

I

A

I

6-2.1

electric charge

Q

C

T·I

6-2.2

elementary charge

e

C

T·I

6-3

electric charge density

ρ

C/m³

L⁻³·T·I

6-4

surface density of electric charge

σ

C/m²

L⁻²·T·I

6-5

linear density of electric charge

τ

C/m

L⁻¹·T·I

6-6

electric dipole moment

p

C·m

L·T·I

6-7

electric polarization

P

C/m²

L⁻²·T·I

6-8

electric current density

J

A/m²

L⁻²·I

6-9

linear electric current density

J_S

A/m

L⁻¹·I

6-10

electric field strength

E

V/m

M·L·T⁻³·I⁻¹

6-11.1

electric potential

V

V

M·L²·T⁻³·I⁻¹

6-11.2

electric potential difference

V_ab

V

M·L²·T⁻³·I⁻¹

6-11.3

voltage

U

V

M·L²·T⁻³·I⁻¹

6-11.4

induced voltage

U_i

V

M·L²·T⁻³·I⁻¹

6-12

electric flux density

D

C/m²

L⁻²·T·I

6-13

capacitance

C

F

M⁻¹·L⁻²·T⁴·I²

6-14.1

electric constant

ε_0

F/m

M⁻¹·L⁻³·T⁴·I²

6-14.2

permittivity

ε

F/m

M⁻¹·L⁻³·T⁴·I²

6-15

relative permittivity

ε_r

1

1

6-16

electric susceptibility

χ

1

1

6-17

electric flux

Ψ

C

T·I

6-18

displacement current density

J_D

A/m²

L⁻²·I

6-19.1

displacement current

I_D

A

I

6-19.2

total current

I_tot

A

I

6-20

total current density

J_tot

A/m²

L⁻²·I

6-21

magnetic flux density

B

T

M·T⁻²·I⁻¹

6-22.1

magnetic flux

Φ

Wb

M·L²·T⁻²·I⁻¹

6-22.2

protoflux

Ψ_p

Wb

M·L²·T⁻²·I⁻¹

6-22.3

linked magnetic flux

Φ_l

Wb

M·L²·T⁻²·I⁻¹

6-22.4

total magnetic flux

Ψ

Wb

M·L²·T⁻²·I⁻¹

6-23

magnetic moment

m

A·m²

L²·I

6-24

magnetization

M

A/m

L⁻¹·I

6-25

magnetic field strength

H

A/m

L⁻¹·I

6-26.1

magnetic constant

μ_0

H/m

M·L·T⁻²·I⁻²

6-26.2

permeability

μ

H/m

M·L·T⁻²·I⁻²

6-27

relative permeability

μ_r

1

1

6-28

magnetic susceptibility

κ

1

1

6-29

magnetic polarization

J_m

T

M·T⁻²·I⁻¹

6-30

magnetic dipole moment

j_m

Wb·m

M·L³·T⁻²·I⁻¹

6-31

coercivity

H_c

A/m

L⁻¹·I

6-32

magnetic vector potential

A

Wb/m

M·L·T⁻²·I⁻¹

6-33

electromagnetic energy density

w

J/m³

M·L⁻¹·T⁻²

6-34

Poynting vector

S

W/m²

M·T⁻³

6-35.1

phase speed of electromagnetic waves

c

m/s

L·T⁻¹

6-35.2

speed of light in vacuum

c_0

m/s

L·T⁻¹

6-36

source voltage

U_s

V

M·L²·T⁻³·I⁻¹

6-37.1

magnetic potential

V_m

A

I

6-37.2

magnetic tension

U_m

A

I

6-37.3

magnetomotive force

F_m

A

I

6-38

number of turns in a winding

N

1

1

6-39

reluctance

R_m

H⁻¹

M⁻¹·L⁻²·T²·I²

6-40

permeance

Λ

H

M·L²·T⁻²·I⁻²

6-41.1

inductance

L

H

M·L²·T⁻²·I⁻²

6-41.2

mutual inductance

L_mn

H

M·L²·T⁻²·I⁻²

6-42.1

coupling factor

k

1

1

6-42.2

leakage factor

σ

1

1

6-43

conductivity

σ

S/m

M⁻¹·L⁻³·T³·I²

6-44

resistivity

ρ

Ω·m

M·L³·T⁻³·I⁻²

6-45

power

P

W

M·L²·T⁻³

6-46

resistance

R

Ω

M·L²·T⁻³·I⁻²

6-47

conductance

G

S

M⁻¹·L⁻²·T³·I²

6-48

phase difference

φ

rad

1

6-49

electric current phasor

I

A

I

6-50

voltage phasor

U

V

M·L²·T⁻³·I⁻¹

6-51.1

impedance

Z

Ω

M·L²·T⁻³·I⁻²

6-51.2

impedance of vacuum

Z_0

V/A

M·L²·T⁻³·I⁻²

6-51.3

resistance

R

Ω

M·L²·T⁻³·I⁻²

6-51.4

reactance

X

Ω

M·L²·T⁻³·I⁻²

6-51.5

apparent impedance

Z

Ω

M·L²·T⁻³·I⁻²

6-52.1

admittance

Y

S

M⁻¹·L⁻²·T³·I²

6-52.2

admittance of vacuum

Y_0

A/V

M⁻¹·L⁻²·T³·I²

6-52.3

conductance

G

S

M⁻¹·L⁻²·T³·I²

6-52.4

susceptance

B

S

M⁻¹·L⁻²·T³·I²

6-52.5

apparent admittance

Y

S

M⁻¹·L⁻²·T³·I²

6-53

quality factor

Q

1

1

6-54

loss factor

d

1

1

6-55

loss angle

δ

rad

1

6-56

active power

P

W

M·L²·T⁻³

6-57

apparent power

S

VA

M·L²·T⁻³

6-58

power factor

λ

1

1

6-59

complex power

S

VA

M·L²·T⁻³

6-60

reactive power

Q

var

M·L²·T⁻³

6-61

non-active power

Q'

VA

M·L²·T⁻³

6-62

active energy

W

J

M·L²·T⁻²