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A 50 ohm transmission line is terminated to the load (60-40j) ohm. How far from the load, a short ckt stub of a fix length of λ/8 needs to be placed so the minimum voltage standing wave ratio (VSWR) between generator and stub achieved. Find the VSWR coefficient.
What is the sample period Ts?
(a) Find the electric field intensity using Cartesian vectors, Ecart, at the free space point P(-2.00 m, 5.00 m, 2.00 m). (b) Find P in spherical coordinates. (c) Find the electric field intensity using spherical vectors, Espher.
A l / 2 dipole, with a total loss resistance of 1 ohm, is connected to a generator whose internal impedance is 50 + j25 . Assuming that the peak voltage of the generator is 2V and the impedance of the dipole is 73 + j42.5
build a cicuit that must be able to operate a 3 amp load of the LED while being able to operate at voltages around 3V or 6V. It must be able to keep the LED on constantly while also being able to pulse the LED.
Consider an AlGaAs based heterostructure laser diode which has an optical cavity of length 200 microns. The peak radiation is at 870 nm and the refractive index of GaAs is about 3.7. What is the mode integer m of the peak radiation
The power supplied by a certain battery is a constant 6.0 W over the first 5 minutes, zero for the next 2 min, a value that increases linearly from zero to 10 W during the next 10 minutes, and a power that decreases linearly from 10W to zero in th..
Coils are available which are rated at 4 volts and 5 amps. For the same number of coils to be used for both machines determine the type of armature winding for both machines, number of coils for both machines and kW rating of both.
The Russian president and the Chinese counterpart need to come to an agreement by telephone. Neither can speak and understand each other's language. They need to employ translators. Compare this layered communication to OSI layers.
the solutions at both frequencies about a total transit time of 1000 years (speed of light in a vacuum result) such that subtracting one from the other leaves just the delay that is of order of 1 second.
An 8mm thick brass [E=83 GPa; v = 0.33] plate is subjected to biaxial stress with sigma x = 180 MPa and sigma y = 65 MPa. The plate dimensions are b = 350 mm and h = 175 mm.
Important information about RC Series Circuit, An RC series circuit has a voltage source of 10Vac, a resistor of 10ohms, and a capacitor with an impedance of -j10ohms
(1) In a lab experiment on parallel Resonance circuit with switch closed, What is the phase relationship between Ic and IL at Is minimum (2) Why is the source current , Is, minimum at a given frequency
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