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An acb sequence balance three -phase Y-connected sourcefeeds a delta-connected load through a distribution line having animpedance of 1+j3 Ω. the load impedance of 117-j99 Ω. Thesource voltage in b -phase is 20<-90 .Draw the single phase equivalent circuit for the a- phase anduse it to find the line current.
What does a small delay spread indicate about the characteristics of a fading channel. If delay spread is 1microsecond, will two different frequencies that are 5 MHz apartexperience correlated fading.
A 40 H resistor, a 5 mH inductor, and a 1.25 uF capacitor are connected in series. The series-connected elements are energized by a sinusoidal voltage source whose voltage is 600 cos (8000^ + 20°)V.
To maintain a freezer box at -40°C on a summer day when the ambient temperature is 27°C, heat is removed at the rate of 1.25 kW. What is the maximum possible coefficient of performance of the freezer
Write the formula for the magnetization volume current density J M and magnetization surface current density JMS in terms of magnetization vector M. 4. A sphere has permanent magnetization where is a positive constant.
Design a one bit block that can be cascaded together to generate the final signal. Assume that you are allowed to generate a different block to treat the signed bit. Provide design for the two blocks and the complete circuit.
A FIR filter is depicted in the figure below. Assume that the system is at rest and an input sequence is applied to the system. Determine the first seven samples of the system output Assume that the system is initially at rest. x(n)=u(n)+u(n-1)-2u..
1. Compare a script tool such as Matlab to a block tool like Simulink and how you can use them efficiently. 2. Convert the designed prototype filter to highpass filter with cutoff frequency f_C=10,000 Hz.
The power factor of a load connected to a 120-V 60-Hz source is raised from 0.866 lagging to 0.966 leading by connecting a 110.5-?F capacitor in parallel with the load. Determine the load current I1 and the circuit current IT.
An electric flux density is given by D = D0 a, where D0 is a given constant. (a) What charge density generates this field (b) For the specified field, what total charge is contained within a cylinder of radius a and height b
The current in a 20 mH inductor is known to be i = 40 mA, t 0.
A very long insulating cylinder of charge of radius 2.30 cm carries a uniform linear density of 17.0 nC/m . If you put one probe of a voltmeter at the surface, how far from the surface must the other probe be placed so that the voltmeter reads 180..
steam is condensed on the outside of a heated exchanger tube by pressing air through the inside of the tube. the air enters at 1.2 bars, 20 degree c and a speed of 10 m/s. the air exits at 80 degree c. the steam enters 3 bars, 200 degree c
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