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Find the largest possible number of independant vectors v1=column[1 -1 0 0] v2= column[1 0 -1 0] v3=column[ 1 0 0 -1] v4= column[ 0 1 -1 0] v5= column[0 1 0 -1] v6= coolumn[ 0 0 1 -1] note all are column vectors
A He-Xe mixture containing 0.75 mole fraction of helium is used for cooling of electronics in an avionics application. At a temperature of 300 K and atmospheric pressure, calculate the mass fraction of helium and the mass density.
Write at least one paragraph explaining why the power factor of the motor changes as the rotor mechanical speed changesin the induction motor. evaluate when the machine is operating in motor mode or generator mode.
An amplifier with a power gain of 3dB is to be characterized. The test apparatus provides a SNR of 20dB at the input and measures a SNR of 15dB at the output. Find the amplifier's NF. Specifications for (2), (3), (4) and (5).
Design a low pass active filter circuit such that its roll off attenuates frequency components at 10 kHz or more by more than 10 dB. Also, it is desired to have the passband gain positive that does not deviate from 20 dB by more then 3 dB.
v(t)=20te^( -40t ) and i(t)=50te^( -40t ) for t>=0 both v and i are zeros for i
A 2.4KV, single-phase circuit suppllies a load of 250KW at a lagging power factor, and the load current is 160A. If it is necessary to improve the power factor, determine the following: (a)The uncorrected poer factor and reactive load.
Assume dual rail logic. Dual rail logic means that both a variable and its complement are available as inputs to the logic block, such that an inverter is not needed to generate B' from B.
A student project is required to be portable and hand held. It requires 6 V DC power at a current of 150 mA. The batteries for the power supply must last for a minimum of 7 hours of continuous operation.
Frequency multiplers are used at the transmitter to bring up the frequency level to the transmitter level frequency. Why don't we use the crystal oscillator to generate the transmitter level frequency
A one-dimensional infinite potential well with a width of 12 Ao contains an electron. (a) Calculate the first two energy levels that the electron may occupy. (b) If an electron drops from the second energy level to the first, what is the wavelengt..
Three capacitors are found that each have an impedance of -j2.0, and they are connected in parallel with the load in a wye configuration. Determine the power factor of the combined load as seen by the source.
A certain unity feedback control system has the closed-loop transfer function: T(s)= Y(s)/R(s)= (s/10+1)/((s/100+1)*(((s/20)^2)+s/20+1))) a) What is the estimated rise time b) What is the estimated overshoot
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