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A shunt regulator utilizing a zener diode is biased on through a 100-ohm resistor. Determine the change in the regulated output voltage for the two situations below a) VI changes +2.0 V, ILoad
Calculate the Fourier Transform of f(t) = 5 sinc(-2t/100), and graph the magnitude and phase as a function of f. If the signal of problem 1 is delayed by 0.1 ms. What is the new Fourier Tr
Message signal m(t) = 0.6sin(27r3000t + pi/9) For a carrier signal with amplitude Ac = 4,fc = 40MHz, What is the signal bandwidth if we use AM with ka = 0.7 DSB-SC FM with kf = 5000 - HZ/V
A carrier signal c(t) = 10 cos(2pifct) is modulated using a message signal m(t) cos(20pit). The modulation is FM, with kf = 50.Write equation for modulated signal What is average transmitted power &am
Each equation above describes a field that is distributed sinusoidally and whose amplitude varies sinusoidally with time (a pulsating field). Prove for the resultant magnetic flux density in the air
The signal x(t) = 2 - sin(4.5t - pi / 4) + 3 cos (24t + pi / 2) is input into a system with frequency response H(omega). Find the output signal y(t) if: H(omega) = rect(omega/80) H(omega) = 2 - 2rec
Consider an object that has homogeneously textured surface with maximum spatial frequency of (fx,fy)=(3,4) cycle/ meter and that is moving at a constant speed of (Vx,Vy)=(1,1) meter/second.
The current through a branch in a linear network is 2 A when the input source is 10 V. If the voltage is reduced to 1 V and the polarity is reversed, the current through the branch is a. - 2 A b. -
Determine the input x[n] so that the corresponding output of the above system is y[n] = delta[n] - delta[n - 1] Determine the output y[n] when the input is x[n] = cos(0.5pin) for - infinity < n &
State two signs of SCID. Explain two options for expecting parents who have family members with SCID and are concerned their child will be affected with the immuno deficiency. Why might parents choo
determine the coefficients c1, C2, c3, ,c4 used for projecting s onto v(1).v(4),respectively Using v(1), v(2) and v(3) only, find s*, an approximation for s using the orthogonal projection method. D
A single-phase 240/120 V transformer has the following parameters: R1 = 1 ohm, R2 = 0.5 ohms, X1 = 6 ohms, X2 = 2 ohms, Ro = 500 ohms & Xo = 1.5k ohms. (a) Load voltage referred to the primary s
Three single phase transformers are used to form a three-phase transformer bank rated 13.8kV (delta)/120kV (wye). One side of the transformer bank is connected to a 120kV transmission line.
Assume all the capacitors in the circuit below were discharged prior to assembly. The capacitors, resistors, and voltage sources are then arranged as shown in the circuit below. The circuit is then
Draw the correct circuit to serve a 7.2kv single-phase load from a 2.4kv source. If the laod is 50kVa at pf=.8 lagging, compute the secondary and primary phasor currents. is this a step-up or step-d
The battery is made by connecting 5 unit cells in series and then by connecting 7 of these series cells in parallel. Each unit cell has the voltage of 1.25 V and the internal resistance if 3.4 Ohm.
Obtain the power factor of a two-branch parallel circuit whre th efirst branch has Z1 = 2 + j4 ohms and the second Z2 = 6 + j0 ohms. To what value must the 6-ohm resistor be changed to result in the
Developing secret codes has interested people for centuries. A simple coding scheme can be developed by replacing each character in a text file by another character that is a fixed number of positio
Write a program that reads a file containing only integer, but some of the integers have embedded commas, as in 145,020. The program should copy the information to a new file, removing any commas fr
Your will simulate 10lottery drawings. Store those data to a 3 10 array. The rowsindicate the three balls in a lottery drawing. The columns indicatethe 10 times drawings.
How hot would a conventional pipe have to get to burst and why Does it vary according to what material the pipe is made of Which are the strongest What are weak ones
Draw the winding on the stator and the winding on the rotor of a three-phase 6-pole synchronous generator which has salient poles. Assume that the stator winding is concentrated for simplicity. Show
A somewhat discharged automotive battery has an open-curcuit voltage of 12.5 V and supplies 50 A when a 0.1 ohm resistance is connected across the battery terminals.
The purpose of this problem is to show you the connection between Fourier series and linear algebra. For simplicity, we will consider a finite basis. All questions will be referred to the following
a) the total charge in the device at t = 3 s, assume q(0) = 0 (round to three decimal places) b) the power consumed by the device at t = 1 s (round to three decimal places)