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An amplifier has an open-circuit voltage gain of 100. With a 10-KOhm load connected, the voltage gain is found to be only 80. Find the output resistance of the amplifier.
The antenna has a 30 dB gain and has a radiation resistance of 85-ohm. This line is loaded by a matched source TX. The receiver antenna is located 5 Km from the transmitter antenna and the frequency is 900 MHz.
A 500-kVA, 60Hz, 5000V, Y-connected, 10 pole synchronous has internal parameters of Armature Resistance 1ohm amd Synchronous Reactance 10ohms. The generator is operating at rated values and 0.9 pf leading.
What is the major difference between a bipolar and a unipolar device Which of the transistor currents is always the largest Which is always the smallest? Which two currents are relatively close in magnitude
What voltage levels typically define a logic 0 and a logic 1 in the newer logics today. What are the major semiconductor technologies used in making integrated circuits today. What is the difference between sinking current and sourcing current.
Consider the signal s = [ 1 4 6 7 -2 3] A. Determine the least-squares approximation s^ of based on v(1), v(2), and v(5). B. Compute the squared approximation error ||s^ - s||^2. C. Show that s^ = s when v(0), v(1), v(2), v(3), v(4), and v(5) are use..
A single-phase, half-wave SCR circuit is used to control the power consumption of an inductive load. The resistive component of the load is 5 Ohm. The source voltage is 120 V (rms). When the triggering angle is adjusted to 60 degrees
In doing so, they learned through laboratory studies that the maximum growth rate of the bacteria will be 0.66 day -1 and that the half-saturation constant will be 64.5 mg L-1.
In addition, there are two 20 A, single-pole breakers protecting branch circuits supplying 277V lighting circuits. Is this panel classified as a power panelboard or an appliance and branch circuit panel-board.
The transfer function of a circuit is given by H(s)=2 s+4/4s^2+2s+2 a. Express the transfer function in a form in which the coefficients of the highest power of s are unity in both numerator and denominator. b. What is the characteristic equation o..
a boost converter operates at 20 khz, and converts power from a solar panel to a battery bus. the panel has norminal volate of 16v and current up to 3 A. the battery bus is 48 v. the transistor can be modelled as a 0.5 v constant forward drop.
Compute y(nT) iteratively for n=0, 1, 2, when, y(-T)=2, and x(nT) = u(n) Hint: the initial conditions are given for negative n. Shift the equation to the right to express x() and y() to eliminate all advances and end up with x(n), y(n)
For an RC circuit with a time constant of 1.0ms and assuming switch was closed at t=0, i) What is the time for the voltage across resistor to equal 10% of its initial value ii) What is the time for the voltage acro..
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