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1. What does the word retarded in the terminology retarded magnetic vector potential refer to? Explain.
2. Discuss the application of the magnetic vector potential in the determination of the electromagnetic fields due to an antenna.
Design an ionospheric radio link over a distance of 2500 Km given that the ionosphere effective height is 275 Km and the electron density N= 2*1011 /m3, namely find : i- the angle of incidence on the ionospheric layer.
It is desired to provide effective decoupling for a digital IC with a 3-ns switching speed at all frequencies above 1 MHz. Using a low-frequency target impedance of 100 m Ω and assuming that each capacitor has 5 nH of inductance in series with it.
Develop a series 90-30 program that functions a motor forward/reversed controller. Design your circuit so that the STOP push button must be pressed before the motor can be switched direction
What is the maximum value of normalized reactance that can be obtained with a shorted stub of the same type of transmission line? Assume α is small.
Repeat the computer experiment of Section 10.21, this time using the recursive leastsquares (RLS) algorithm in place of the LMS algorithm.
Show that the law of conservation of classical momentum is invariant under the Galiliean transformation if and only if total mass is conserved
Provide physical interpretations for the closed surface integrals of any two vectors of your choice.
An LVDT with associated signal conditioning will be used to measure work-piece motion from -20 to +20 cm. The static transfer function is 2.5 mV/mm. The output will be interfaced to a computer via an ADC.
Design a low pass FIR filter for 10 kHz sampling, with a pass band edge at 2 kHz, a stop band edge at 3 kHz, and 20 dB stop band attenuation. Find the impulse response and the difference equation for the filter.
How can this relationship be interpreted at the pinch-off point, where the charge density approaches zero?
Signal Definitions are A.H, B.L ,C.L, D.H and Z.L. It is recommended you apply DeMorgan's Theorem first to the above equation. Draw (on paper) a circuit diagram implementing Z, using the minimum number of gates.
a certain ideal voltage generator is characterized as v(t) = 40 sin 377 t . If this generator is measured with a DC voltmeter, the instrument reads 12 volts, what is the rms value of this voltage waveform
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