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Show that the complex envelope of the sum of two bandpass signals (with the same carrier frequency) is equal to the sum of their individual complex envelopes.
What is the de Broglie wavelength of an electron at 150eV. what is the wavelength for electrons at 10keV, which istypical of electron microscopes. Comparing this to visiblel light,comment on the advantages of electron microscopes.
Calculate the inductance of a solenoid with 125 turns if the length of the solenoid is 18 cm and its radius is 1.6 cm
A somewhat discharged automotive battery has an open-circuit voltage of 12.5 V and supplies 50 A when a 0.1-? resistance is connected across the battery terminals.
A glass tube with a cross-sectional area of 9^-2 m^2 contains an ionizd gas. The densities are 10^15 positive ions/m^ and 10^11 free electrons/m^3. Under the influence of an applied voltage, the postive ions are moving.
explain the use of the Op Amp as a difference amplifier and as a comparator. What are the distinctions between the ways each one is used.
The exponential Fourier series coecients for a signal x(t) are: ak= { 1.57 when k=0, 0 when k is even and k doesnt equal 0, ((-1)(k-1)/2)/k when k is odd} Determine the following: (a) Plot the spectrum of the Fourier series.
similarly, let y=y0y1 represent another number with the same four possible values. the output f should be 1 if the numbers represented by x and y are equal.otherwise, f should be 0. A- show the truth table for f B- synthesize the simplest possible ..
The total power delivered to a balanced, Y-connected, three-phase load is 720 kW at a lagging power factor of 0.8. The line voltage at the load is 3463 V. The impedance of the transmission line is 2.5 + j10.2 ohm. a) Determine the line voltage at ..
A 1000.0 kg car is moving at 15 km/h. If a 2000.0 kg truck has 18 times the kinetic energy of the car, how fast is the truck moving in km/h
A delta-connected source has a line-to-line voltage rating of 470 Vrms. Its wye-connected load has a power rating of 2125 W with a pf of .85 lagging. Find the rated phase currents.
The power amplifier for a car stereo amplifier has a rated output power of 750 watts when operating at room temperature. Assuming a Class B amplifier with the maximum theoretical efficiency is used,
The mean and the variance of a binomial distribution with parameters n and theta are 12 and 3. Find the probabilities: a. (P X or equal 7).
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