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Each pole of a 100kW, 250v flet-compound generator has a shunt field of 2000 turns and a series field of 7 turns. If the total shunt field resistance is 100 ohms, calculate mmf when the machine operates at rated voltage.
A) no load
B) full load
It is required to design an equivalent analog filter using a digital filter and other appropriate components. Thesampling frequency is fsamp= 20 kHz and the attenuation (α)specifications of the filter are as follows: α > 42 dB for 0 4000 Hz.
In a bus 1-persistence CSMA/CD with Tp=50us and Tfr=120us, there are two stations, A and B. Both stations start sending frames to each other at the same time. Since the frames collide, each station tries to retransmit.
Given a 4.0-nC charge on a 1.0 meter length of an inner cylindricalshell of radius a = 0.060 m, a -4.0-nC charge on a 1.0 meter lengthof an outer cylindrical shell of radius b = 0.077 m, & anεr = 9.0 dielectric in between the shells,
The lighting and motor loads of a small factory establish a 10kVA power demand at 0.7 lagging power factor on a 208V, 60 Hz supply. Determine the power-factor capacitor that must be placed in parallel
If you are now told that the material is copper and one cylinder has length 5 cms and radius 1mm, what is its resistance. You will have to locate the resistivity for copper and give me the reference source.
Design a parallel resonance circuit with resonance frequency of 30kHz and bandwidth of 20kHz and plot its frequency response.
If the cutoff between "insecure" and "secure" were x amount of time, how long would a secure password have to be. State and justify your assumptions regarding the character set from which the password is selected and the amount of time required to..
Draw circuit that implements parallel bit-slice parity checker. Its input is X=xn-1xn-2...x1x0 and it should produce output F=1 iff input X has even parity. Make sure to label all signals and ports.
A number 10 copper wire will carry up to 30 Amperes of current. If the copper wire is to be replaced by an aluminium wire and the only available gauges of aluminium wire in stock areNos 8,10,12 and 14, which one would be able to carry 30 amperes s..
Determine the transfer function for a first order HIGH filter with a cutoff frequency of 1000 radians per second and passband gain of 1 using Chebyshev type with 1-dB ripples on the passband.
1. The electron concentration in the conduction band of a GaAs sample is 10^5/cm^3 at room temperature. Is it p type or n type, how do you know 2. Based on the Kronig-Penny model, would you expect the bandgap of a semiconductor to increase
If the resistance of dry skin is 5 k? and accidental contact is made with a conductor that is at a voltage of 120 V, how much current can flow through the human conducting path. If contact with this same conductor is maintained for 10 s
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