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A 2000-kW turbine-generator of 0.85 power factor operates at the rated load. An additional load of 300 kW at 0.8 power factor is added. What kVAR of capacitors is required to operate the turbine -generator but keep it from being overloaded?
How to find The value of Burnt Resistor ( By three handy Methods ) ?
A common-source amplifier utilizes a MOSFET for which VA=12.5 V and is operated at VOV = 0.25V. What is the value of its (gm ro). The amplifier feeds a load resistance RL = 15K ohm. The designer selects RD=2 RL.
Determine the transfer function for a first order low pass 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.
explain the use of the Op Amp as a difference amplifier and as a comparator. What are the distinctions between the ways each one is used.
The total charge that has accumulated on the positive plate of a capacitor varies with time. The charge follows q=At^2 for the first 4s. a) Find the value of current at t=2,6,9,12,16 s. b) Sketch the current i(t) as a function of time
A three-phase transmission line having a reactance of 120 ohms per phase is connected to a wye-connected load whose resistance is 160 ohms per phase. If the supply volatge is 70kV line-to-line, calculate a) The line-to-neutral voltage per phase.
What advantage does the Common Drain amplifier with respect to common emitter amplifie. What has the disadvantage Common Drain amplifier with respect to common emitter amplifier
Consider an analog periodic sinusoid x(t) = cos (3*pi*t + pi/4) being sampled using a sampling period Ts to obtain the discrete time signal x[n] = x(t)I t=nTs = cos (3*pi*t + pi/4). a.) Determine the discrete frequency of x[n].
Using the convolutional code and Viterbi algorithm, assuming that the encoder and decoder always start in State 0,determine: a) The output string generated for the input: 00101101 b) In which state is the encoder after the sequence in a is written
Willy has also noticed that the power supply has a current limit that can be set. When he sets the current limit to 8 amperes, it provides exactly 8 amperes, but it doesn't overheat, so it's not shutting off all the time.
The fermi level for the conductor is 5.6e.V. There are 5.8x1028 free electrons /m3. Find the (a) mobility and relaxation time of electrons ,(b)Average drift velocity of the electrons when the applied electricfield is 1.5 V.- cm-1, (c)Mean free pat..
A material with a bulk resistivity of p = 120 Om is to be used to manufacture a 75 kO resistor that must dissipate P = 80 W of power. The maximum allowable current density for this material is J = 120 A/m2.
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