VOLTAGE AND CURRENT WAVE
In D’Alembert’s equation appear the first time-derivative of voltage and current
True
False
The wave impedance depends by the length of the line
True
False
The transition from overhead to cable lines help damping of transient phenomena
True
False
In actual overhead lines, the characteristic impedance is almost imaginary
True
False
In actual overhead lines, the characteristic impedance is almost real
True
False
. The real term of the propagation constant is responsible for the magnitude variation of the voltage or current
True
False
For a lossless line, whose length is equal to Λ/4, the ratio between sending end voltage and receiving end voltage tends to infinite
True
False
D’Alembert’s equation are related to lossless line
True
False
The expression for the forward wave is ɸ(x-vt)
True
False
The expression for the backward wave is ɸ(x+vt)
True
False
Polar diagram of the voltage along a line in no-load condition has the same shape of the polar diagram of the current for the same line in short circuit condition
True
False
In lossless line loaded with its characteristic impedance the current magnitude is constant for every position x
True
False
The imaginary term of the propagation constant is responsible for the phase variation of the voltage or current wave
True
False
In lossless line loaded with its characteristic impedance the voltage tends to increase from sending end to receiving end
True
False
In no-load condition the backward voltage wave is equal to zero
True
False
The wavelength lambda increases as the frequency increases
True
False
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