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The voltage and current at the terminals of the circuit element ate zero for t < 0 and t > 40 s. In the interval between 0 and 40 s the expressions are
v = t(1 - 0.025t) V, 0 < t <40 si = 4 - 0.2t A, 0 < t < 40 s
At what instant of time is the power being extracted from the circuit element maximum?Calculate the net energy delivered to the circuit at 0, 10 and 20 seconds.
State the approximate sampling distribution of theta hat, the proportion of persons who spent more than 1200 on a pc. Find the probability that more than 60% of this group spent more than 1200.
a) Design an op amp circuit that will create an output voltage y(t) that is the solution to the differential equation y''(t) = 25 y, subject to the two initial conditions y(0) = 0.2 and dy(0)/dt = 0. You will need to use integrating op amps for t..
Determine whether the system described by (1) y[n]=log(nx[n]), (2) y[n]=sqrt(n)*x[n+1], (3) y[n]=x[n-2]u[n], where a is an integer and |a|>1, is (i) memoryless; (ii) invertible; (iii) causal; (iv) stable; (v) time invariant; (vi) linear
Each time you apply a theorem or law of boolean algrebra, mark your paper clearly to indicate which terms were used to add or delete other terms, or indicate which terms were combined. Simplify algebraically
the operation of an induction machine here used as an asynchronous generator her connected to a 3 phase electric system. a) What does asychronous mean in this context b) How is it possible to improve the operation of this generator on the system
Find the intrinsic gain of an NMOS transistor fabricated in a process for which k'n=200uA/V^2 and V'A=20Vum. The transistor has a 0.5-um channel length and is operated at Vov = 0.25. If a 2-mA/V transconductance is required, what must Id and W be
Determine the number of colectors required and the cost of auxiliary power in a facility that provides hot water to a community of 34 residents. Which would be studied the benefit of placing the panels tilted at 18 degrees relative to the horizont..
DC Load Line and Q-Point can only be located within the active region of a BJT. What are the boundaries of the active region. What characteristics of BJT determine this boundary.
b. Find the Fourier Transform of signal x(t) (use the Fourier Transform definition) c. Write down the double-sided amplitude and phase spectra x(t) d. Plot the double-sided amplitude and phase spectra of x(t)
What effect do internal capacitances in the transistor model have on practical performance of a real system? How would you use these model values to predict system performance?
1. Express the Boolean function f(X,Y,Z) = XY + X(Y + Z) in sum of products form showing the sum all nonzero minterms. 2. Express the Boolean function f(A,B,C,D) = A(B + BC) + ACD in sum of products form showing the sum all nonzero minterms.
Combine the following expressions into a single sinusoid and plot both the combined and original expressions in Matlab across 2 periods. a) 2cos(3t)-cos(3t-pi/4) b) sin(2t- pi/4) + 2cos(2t-pi/3) c) cos(t) - sin(t) d) 10cos((pi*t) + pi/3) + 8cos((p..
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