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Boxes I and II both contain n transistors. At each step, a fair coin is tossed. If "heads" (respectively, "tails") is obtained, we take, at random and without replacement, a transistor in box I (resp., II). We repeat this experiment until one of the two boxes is empty. Let N be the number of transistors that remain in the other box at that moment. If we assume that the repeated trials are independent, what is the probability mass function of N?
A president, secretary, and treasurer are to be chosen from a group of 10 senior members of the IEEE student chapter at the Citadel. Assume that each member cannot serve more than one position. How many different choices of officers are possible
Design a series controller (a PD, PI or PID) so that the following performance specifications are satisfied. Steady-state error due to a step input = 0
A digital transducer has 80 cut-outs. It is used tomeasure the speed of a motor shaft. Output signal frequency is800Hz. Find out the motor shaft speed
A buffer amplifier with a gain of 1V/V has an input resistance of 1M Ohm and an output resistance of 10 Ohm. It is connected between a 1-V, 100k Ohm source and a 100 Ohm load. What load voltage results
Find the associated answers for: total circuit impeadance (Zt), Current source (RMS), Vc (RMS) w/ power factor, Vr (RMS), all in complex form/ rectangular form. Remember each question has to be done three times, one for each frequency.
Draw the impedance diagram for the attached circuit...
(1) Can we have Darlington transistor made up of an NPN and a PNP or do the two transistors have to be of the same type (2) Amplifiers has a power gain of 1,000 or 30dB. Where is that power coming from
a. What is the expected amplification of a BJT transistor amplifier if the dc supply is set to zero volts. b. What will happen to the output ac signal if the dc level is insufficient.
Consider the LTI described by the following input-output relation: y[n] = 3/4y[n-1]-1/8y[n-2]+x[n] a)Find system function H(z) and check is system is stable. b)Determine impluse response h[n] of system
A charged 100- picoFarad capacitor has initial voltage across it of 10 V. A 100 kohm resistor is suddenly connected across the capacitor (at t=0) to discharge it. What is the magnitude of the instantaneous current at 20 usec
Obtain the minimum value of R for which oscillation takes place.
causal LTI discrete system whose transfer function is given by: (H(z) = (z - 0.5) / ((z-e^{ln(0.16/z)})(z-0.2))\) find the impulse response sequence, h[k], for all k. Check initial and final values of the impulse response sequence using appropriate m..
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