Lab test et

doamne ajuta

Charge

Charge

q, C (coulomb)

Force

F(vector), N (newton)

Electric field intensity

E(vector), N/C , V/m

electrical permittivity

ε, F/m

Electric voltage

U, V

Electric field flux

Φ, Vm , Nm^2*C^(-1)

Electric potential

V, V

Dipole electric moment

p (vector), C*m

Electric polarization

P (vector), C/m^2

Surface charge density

ρ s, C/m^2

Volume charge density

ρ v, C/m^3

Electric current intensity

I i, A

Induction current density

J, j (vector), A/m^2

Magnetic induction

B(vector), T(tesla)

Magnetic permeability

μ, H/m, N/A^2

Magnetic field intensity

H(vector), A/m

Magnetic polarization

M(vector), T

Magnetization

M, A/m

Magnetic moment

m(vector), A/m^2, J/T

Magnetic flux

Φ, Wb(weber)

Electric induction

D, C/m^2

Inductivity

L, H(henry)

Electromagnetic flux energy density (vectorul Poynting)

S(vector), W/m^2

Instant power

P, W

Active power

P = U * I * cos phi

Reactive power

Q = U * I * cos phi

Apparent power

S, VA

Putere deformanta

D, VAD

Electrical resistance

R, ohmi

Impedance

Z, B(barat), ohmi

Reactance

X, ohmi

Resistivity

ρ, ohmi * m

Conductivity

G, ohmi ^-1 = S

Admitance

y, C(barat) ->S

Susceptance

B, S(siemens)

Electric capacity

C, F

Frecventa

f,niu, Hz(hertz)

Pulsation

ω, rad/s

Phase(defazajul)

φ, rad

electric conductivity

Σ σ ,S/m

Electric flux

ψ, C

Velocity

V, m/s

Time

t, s

Inductive reactance

XL, ohmi

Capacitive reactance

Xc, ohmi

Linear resistance

R0, ohmi/m

Linear inductivity

L0, H/m

linear capacitive

C0, F/m

Linear conductance

G0, X/m

Magnetic reluctance

Rm, A/wb

Densitatea de energie electromagnetica

W, J/m^3

Tensiunea electromotoare

e, tem, V