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The current through a coil having a resistance of 6 ohms and inductance of 2 H is 4 ampere. Calculate the instantaneous value of the current 50 ms after the supply is cut off.
where x is a state variable and r is an input variable. Perform a change of variables in r, i.e., r (t) --> u (t),where the new system is linear without any approximations (hint: assume x (t) ismeasurable)
A Silicon wafer has a uniform doping density of 8 xl018 atoms cm-3 of Arsenic and 2.5 x 1019 atoms cm-3 of Phosphorus. Assume that all Arsenic atoms are fully (100%) ionized at room temperature but the Phosphorus atoms are 80% ionized.
Silicon at T = 300 K is doped with arsenic atoms such that the concentration of electrons is n0 = 7 x 1015 cm -3. (a) Find Ec - EF. (b) Determine EF - Ev. (c) Calculate p0. (d) Which carrier is the minority carrier
Find the components and the length of the vector u with initial point P(1, 1, -3) and terminal point Q(-2, -1, 4). Sketch u and determine the unit vector in the direction of u. Find the inverse by Gauss-Jordan (or state that it does not exist) of t..
Design an 8th order, type 1, FIR low-pass filter having a cutoff frequency of 8Hz for a signal acquired using 64Hz sampling rate.Use the window method with a hamming window. Note that youdon't need matlab to solve this exercise.
Suppose we want to construct an amplifier with a closed-loop gain of 50. We want the gain to vary by no more than +/- 5% while the open-loop gain varies by +/- 50%. Determine the values for a and b that will satisfy these constraints.
A 440-V, 60Hz, 4-pole, delta connected three phase induction motor has the following parameters in ohms/phase. R1= .3, X1= .9, R2=.6, X2=.9 Rc=150, Xm=60 If the rotational losses are 6% of the developed power A.) determine the efficiency when i..
The global radiation at the solar noon on a summer solstice in Albuquerque, New Mexico (latitude 35° N) is 60mw/cm^2. Assume that (a) 30 % of this irradiance is diffuse radiation and (b) the ground surrounding a PV module is non-reflecting
a) construct a moore state table for a sequential circuit that has an input (x) and an output (z). the output is the sameas the input was two clock periods previously. for example x = 0 1 0 1 1 0 1 0 1 1 0 1 0 0 0 1 z = 0 0 0 1 0 1 1 0 1 0 1 1 0 ..
A 100Ω load needs 10mA to operate correctly. Design a practical power source to provide the needed current. The smallest source resistance you can practically design for is 50Ω, but you can add any other series resistance if you need to.
calculate the load voltage in a transformer if supply voltage is 240 Volts. The resistance and inductance refered to the high side are as follows: Req is 29.12 ohms, Xjeq is j12.1 ohms, Rc is 1033 ohms and Xm is j1053 ohms.
When the input x(t) = 5u(t) is applied to a linear second-order circuit the response of the state variable is y(t) = 10e^(-100t)-5e^(-200t) + 5. Design a simple RLC circuit that would produce all of these responses.
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