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given a "black box" with two terminals. You play around with the box for a while and make the following observations:
(i) The output voltage from the box is sinusoidal.
(ii) The peak magnitude of the open-circuit voltage at the terminals is 5 V.
(iii) When you connect a 50 resistor across the terminals, the peak magnitude of thevoltage across the resistor is 2.795 V.
(iv) If you short the terminals, the peak magnitude of the current through the short circuitis 100 mA.
Find the power available from the "black box."
In 2012, Felix Baumgartner jumped from space 36.6 km above New Mexico he reached a speed of 834 mph in 4 minutes and 19 seconds. What was his speed in Kilometers per second and how many miles was he above the ground
Write an algebraic expression for S3, the forth sum bit of a binary adder, as a function of inputs x0, x1, x2, x3, y0, y1, y2, and y,3. Assume that c0=0, and do not attempt to "multiply out" or minimize the expression.
Derive the expression for maximum torque (show all steps) and show that the slip at which maximum torque occurs is directly proportional to rotor resistance, but the maximum torque is independent of rotor resistance.
A voltage source v(t)=t*sin(t) is connected to a capacitor with C= 2 farad. Find the energy stored in the capacitor from t=0 to t=1 second.
In a PCM system, the number of quantization levels is 16 and the maximum lsignal frequency is 4 kHz.;what is the bit transmission rate.
Discuss why it is important to consider the Gain Bandwith Product (GBW) and the Slew Rate (SR) when selecting an op amp for a particular application. What other factors are important and why.
A signal has a band width of 15 hz. The Signal is sampled , quantized and binary coded to obtained a PCM signal. Suppose the reconstruction pulse used is p(t)= rect ( (5t / Ts) - 0.5), where Ts= 1/ fs. Specify the equalizer filter E(f) to recover t..
compute the diameter in centimeters of a steel rod, an aluminum rod, and a copper rod, which can withstand a particular compression load.
for the polynomal function P(x) = x^2 / 3 + x^2 - 8x + 1 find all relative extrema, the inflection point, the interval on which P is concave down
How many different code words are there How many code words have exactly two 0's. If 0 and 1 are equally likely, what is the probability to obtain a code word with exactly two 0's
Assume a buck converter contains a synchronous rectifier. Does it operate in the discontinous conduction mode at light load Why What does the inductor current waveform look like
For each of the following systems with input x(t) and output y(t), state whether or not the system is (i) Linear and (ii) Time Invariant. Note that x(t) could be any complex valued signal. (a) y(t) = a^2 x(t), where a is a complex number.
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