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In general, what observations can be made about a physical system that has pole and zero locations that are not eitehr real-valued or complex conjugate pairs?
A box contains 50 diodes of which 10 are known to be bad. If the first diode drawn from the box was good, what is the probability that a second diode drawn will be good
A 100V dc series motor has an armature resistance of 0.2 ohm and field resistance of 0.25 ohm. The motor runs at a speed of 600 rev/min when the shaft torque is 27.14 Nm. Friction and windage losses at this speed are 300W.
What are the exact form of the equations for the 2nd-order step response for the underdamped, critically-damped, and overdamped conditions.
Assume the z0 is in the far field and derive an expression for the strength to return as a function of angle. Make approximations where appropriate and do not forget the sidelobes.
calculate the losses in the transformer under these conditions. losses and efficiency when the transformer delivers its rated power to a load having a power factor of 90%
For the local oscillator you selected, what transmission frequencies could cause interference to the satellite system and how could the interference be avoided? Show a diagram.
The loop transfer function of a single-loop negative feedback system is: L(s) = Gc(s)G(s) = K(s + 2.5)(s + 3.2) / (s2(s + 1)(s + 10)(s + 30)) This system is called conditionally stable because it is stable only for a range of the gain K
What is the equivalent (total) resistance of 100, 200, and 50 resistors connected in series What is the equivalent (total) resistance of 100, 200, and 50 resistors connected in parallel
A capacitance C is charged to an initial voltage Vi. At t = 0, a resistance R is connected across the capacitance. A) Write an expression for the current. Express your answer in terms of some or all of the variables R, C, Vi, and t.
A three-phase substation transformer operating at 34.5kV is loaded to 24 MVA. What is the per-phase current? (assume balanced conditions)
Important information about Frequency Divider, Design a frequency divider circuit that will output three pulse frequencies: 25 kHz, 10kHz, and 2.5kHz. Assume that only a 150 kHz CMOS compatible signal is available for the divider input
The output response for a system is given as Vo(t) = A(1-e^-at)sin(ωt). Is this a proper representation for an output response given that it contains a sinusoidal term? Fully explain your answer.
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