ECE :: Network Analysis and Synthesis
-
If Fourier transform of f(t) is F(jω), then which pairs of time functions and Fourier transforms are matched
- f (t + 2) - ej2ω F(jω)
- f (-0.5t) - 2F (-2jω)
- 
-
In a power system, reactive power is necessary for
-
A unit impulse voltage δ (t - b) is applied to an inductor with inductance L. The current through L is
-
A periodic voltage has following values for equal time intervals changing suddenly from one value to next, 0, 5, 10, 20, 50, 60, 50, 20, 10, 5, 0, -5, -10 etc. then rms value of the waveform is
-
The impedance of a coil above self-resonant frequency is
-
Wire-wound resistors are unsuitable for use at high frequencies because they
-
In figure, the tree branches are bdf. The fundamental loops include
-
A function Z(s) has zero at infinity if
-
If f1 and f2 and half-power frequency and f0 be resonant frequency, the selectivity of R-L-C series circuit is given by
Whatsapp
Facebook
