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1. What is meant by the dominant mode? Why are waveguides designed so that they propagate only the dominant mode?
2. Why is the dimension b of a rectangular waveguide generally chosen to be less than or equal to one-half the dimension a?
Would already determined "Thevenin and Norton equivalents" be valid for any value of "load resistor" that may be connected between points A and B Why
A point charge of 10 C moves with a uniform veloctiy of 2ax - 4az m/s in an electromagnetic field having E = ax - 3ay + 8az V/m and B= 0.3ax + 0.1ay. Find the force on the charge due to the electric field; the force on the charge due to the magnet..
Laverne Industries stock has a beta of 1.27. The company just paid a dividend of $.77, and the dividends are expected to grow at 5.2 percent. The expected return of the market is 11.7 percent, and Treasury bills are yielding 5.2 percent. The most rec..
Design a circuit that will SAFELY convert the output of a 60-Hz6.3V (rms) transformer into a source of TTL-level pulses, all withrepetition rate of 60 Hz and in synchronization with the sine wavesthat come from the transformer.
An emitter-follower circuit is built using an npn transistor with ß=100 and with RE =1k-ohm. What is the input impedance of the open circuit. If a load of 100-ohm is connected to the output of the circuit, what is the input impedance
Obtain the z transform of the cosine function.
The donor distribution of a nonuniformly doped silicon sample can be approximated by N(x) = Noexp(-x/x0), where x0 = 1 µm. As no current flows under the open-circuit condition, a built-in electric field is established
Consider the stable system represented by the differential equation: dx(t)/dt + 3x(t) = u(t) Determine the phase lag for this system if the input u(t) = sin3t.
How could the rising-tone acoustical illusion be modified to obtain a tone that goes up and down in pitch at the same time.
Using a 500 Ohm resistance, design an RC low-pass filter that would attenuate a 120-Hz sinusoidal voltage by 20 dB with respect to the DC gain.
An output interface in a switch is designed using the leaky bucket algorithm to send 8000 bytes/s (tick). If the following frames are received in sequence, show the frames that are sent during each second.
Perform all the necessary tests and determine if these fields represent a uniform plane wave propagating in a perfect dielectric medium.
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