ET 1

With the Gauss Theorem we can determine:

the electromagnetic field intensity

the electric field intensity

the magnetic field intensity

the electromagnetic field intensity

The property μ is:

absolute permeability of the medium

absolute permittivity of the medium

vacuum magnetic permeability

relative permeability of the medium

The resistance of the capacitor with plane-parallel plates of area S, parallel placed at the distance x to each other, with dielectric of constant permitivity ε and resistivity ρ, that is charged with charge q and -q, is:

R = (ρ*x)/A [Ω]

R = (ρ*d)/A [Ω]

R = (ρ*d)/S [Ω]

R = (ρ*x)/S [Ω]

The measurement unit for the apparent power is:

VAd

VAr

The resonance is obtained by the variation of the following parameters:

only the variation of the frequency

resistance, frequency, inductivity

only the variation of the inductiviy and capacitance

frequency, inductance, capacitance

The electrical conductance:

is analogic to the electric resistance

is the inverse of the electric resistance

The electric conduction law has more forms. Which one of the affirmation is not a form of the law?

The resistors, inductors (coils) and capacitors:

are active elements of the circuit

are the parameters of the circuit elements

are passive elements of circuit

are not elements of circuit

Which are the resonance condition?

When applying the cyclic (loop) currents method:

the currents on the circuit branches have their values equal with the chosen fictive currents

the directions of the fictive currents are chosen based on some rules

the specific method equations system has b=I-n+s equations

the self-impedance values have all the negative sign when explicitly written

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