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In AM, spectral overlap is said to occur if the lower sidebandfor positive frequencies overlaps with its image for negativefrequencies. What condition must the modulated wave satisfy if weare to avoid spectral overlap? Assume that the message signal m(t)is a low-pass kind with bandwidth W. Sketch the cases when(i) there is no spectral overlap,(ii) there is spectral overlap,(iii) spectral overlap almost occurs.
1. a nichrome wire 12 ft long and .011 inch diameter conducts 1.83A when 120v are applied. what is the resistivity of nichrome 2. Copper windings of an electric motor at room temperature of 25 degrees C has resistance of .20(r).
Write an equation to help determine P-type body doping concentration Na for a required threshold voltage V (sub TN) for an N-channel Al-Sio(sub 2) -Si MOSFET.
design a Mealy type circuit whose response to a binary sequence is to output a 1 iff the current and previous bit are both the same value. a) Draw a state diagram, showing state, input, output b)Complete the following table of (input, state, output)..
Find the electric flux density field produced by a uniformly charged infinite cylinder of radius ‘a' using Gauss's law.
find the series element or elements that must be in the enclosed container to satisfy the following conditions. a. average power to circuit = 300W b. circuit has a lagging power factor
The junction capacitance of a silicon pn junction is 1.83 pF at T = 300 K when the anode and cathode are held at the same voltage. The concentration of donor atoms in the n-region of the junction is 1016 cm ^-3
A core-type transformer rated at 37.5 kVA, 2400/480 V, and 60 Hz has a core whose mean length is 1.07 m and whose cross-sectional area is 95 cm^2. The application of rated voltage causes a magnetic field intensity of 352 A-t/m (rms)
find the MIN permissible SAG for a span of 225 m using a copper conductor with 1.2 cm diameter and allowing a MAX conductor tension of 2200 kg/cm^2 . The horizontal wind pressure is 6 g/cm^2 and specific gravity of copper is 8.9
Two batteries with emf's of 1.5V and 1.2V and internal resistances of 0.50-ohm and 0.80-ohm, respectively, are connected in parallel with + terminals together. a.) Determine the current they would deliver to an external resistance
A 240/40 volt transformer supplies two different secondary loads. One load (a) draws a current of 12 amperes at a lagging power factor of 0.94. The other load (b) draws a current of 12 amperes at a leading power factor of 0.94.
The two blocks in the figureoscillate on a frictionless surface with a period of 1.7 s. The upper block just begins to slip when the amplitude is increased to 32cm. What is the coefficient of static friction between the two blocks
The energy stored in a 2H inductor is 400J and is decreasing at 200J/s at t=4 seconds. Determine the voltage magnitude and curent magnitude at t=4 seconds. Does the current enter or leave the positive terminal of the inductor.
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