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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((pi*t)-pi/3)) Include hand calculations showing how single sinusoid was obtained along with Matlab code.
when an AC source is connected accross a 12.0 resistor,the rms current in the resistor is 8.00 A find (a) the rms voltage accross the resistor,(b) the peak voltage of the source , (c) the maximum current in the resistor
A 600kVA, 600 V, 0.9-PF-leading, Y-connected synchronous motor has a synchronous reactance of 1.0 per unit and an armature resistance of 0.1 per unit. At the current time, EA = 1
Using coppers resistivity of 10.30 CM-olm/ft at +25 °C, find how long a 1 inch square bar of copper would need be to have a resistance of 1 at +20 °C
The sampling frequency in a DSP system is fs=16 kHz. Anti-aliasing filter used in the system is the second-order Butterworth filter with cutoff frequency of fc=4.2 kHz. What is the percentage of aliasing level at the cutoff frequency
How fast, in rpm, would a 100 g, 50-cm diameter beach ball have to spin to have an angular momentum of 0.10 kg m^2/s
A 1 kHz sine wave signal with a power level -10 dBm is applied to the input of the amplifier. What is the power at the amplifier output in dBW?
Two bars of silicon, one n-type and one p-type, are uniformly doped so that ND(bar1) = NA(bar2) = 3.7x1016 cm-3. a) Without calculations: which bar will exhibit the larger resistivity and why
Measurements taken on various resistors are shown below. For each, calculate the power dissipated in the resistor and the power rating necessary for safe operation using standard components with power ratings of 1/8 W, 1/4 W, 1/2 W, 1 W, or 2 W
A Newton's ring apparatus is to be used to determine the radius of curvature of a lens (see the figure below and Problem 75). The radii of the nth and (n+16)th bright rings are measured and found to be 0.129 and 0.317 cm
For each of the sinusoidal source functions, determine the complex exponential source that has the given source as its imaginary part. Determine the phasor representation of each of the sinusoidal source functions.
Describe and explain drift current and diffusion current in a PN junction in thermal equilibrium. What causes each In which directions are the electrons, holes, electron current, and hole current flowing for each effect
Draw the ROM truth table for the seven segment
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