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What are the benefits of high and medium voltage SF6-switchgear?
Write a single source file which implements all of the following problems. All problems must be solved using nested loops. Just writing lots of couts to solve the problems will result in zero credit.
A power amplifier has a gain of 15 dB and an input level of 2 volts. Assuming that the input and output impedances are the same, what is the voltage level at the amplifier output
The amplifier has a Thévenin voltage of 25[Vrms], and a Thévenin resistance of 0.275[O]. Find the turns ratio for the transformer, so that the maximum possible power is delivered to the speaker.
If the tansformer is connected to a 0.8(at 10 degrees) Ω load on the low-voltage side, determine the primary and the secondary currents when the transformer is connected to 1200 V rms.
a network has a 5-muF capacitence in series with the parallel combination of a 12 mu-F capacitence and an 8mu-F capacitence. Sketch the circuit diagram and determine the equivalent capacitence of the combination.
Determine the hysteresis loss if the apparatus isconnected to a 60 Hz source whose voltage is such as to cause theflux density to be 62 percent of it's rated value. Assume that theSteinmetz exponent is 1.4.
G(s)= K(s-2)(s-4) / s(s+5) Sketch the root locus and find the following: a) Break away and break in points b) The jw-axis crossing points c) The range of gain to keep system stable
Assume a piecewise linear model for the diode has a cut-in voltage of 0.7V and a forward resistance , rf, of zero. Determine the ripple voltage, Vr, for each of the following capacitors : 1μF, 10μF,100μF for a following a half wave rectifier.
If we define the resolution of a Digital-to-Analog Conversion (DAC) device to be the reciprocal of its number of logic states in percentage, what will be the resolution of an 8-bits DAC device
Sketching the Dependence of l versus h on Cartesian Axes, The distance l from a point at a height h above the Earth's surface to the horizon can be approximated using Pythagoras theorem by the expression:
Compute the first 10 samples of the step response for the nonrecursive difference equation: y(n) = x(n) -0.5x[n-1]-0.7x[n-2] Indentify which of the following filters are recursive and which are nonrecursive.
The excitation branch impedances are given referred to the high-voltage side of the transformer. a) Find the equivalent circuit of this transformer referred to the high-voltage side.
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