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Describe the properties of donor and acceptor dopant atoms and how they affect the densities of charge carriers in a semiconductor material.
the decimal digits 0 to 9 are represented by an 8421bcd code.derive a boolean expression for a logic circuit which
A reservoir-type small hydroelectric system has a penstock that is 2 m in diameter,The speed of water at exit end of the penstock is 10 m/s.assume that the power coefficient is 40%,the turbine efficiency is 80%
Calculate current flow and describe its probable path. Will the breaker likely be tripped? Is there a risk of electrocution? If so what factors contribute to the risk?
Draw a schematic diagram of a per-phase synchronous electrical generator and define the components in the armature stator side of the diagram.
In rectangular form (numerical values required to nearest 0.1) what is the input impedance of a λ/8 section of 50 ohm line connected to a 200 ohm load. Include a figure showing the configuration having the input impedance to be calculated.
where can i find a copy of the answers to textbook review questions in the industrial motor control 6 th edition by
Design a diode voltage regulator to supply 1.5V to a 150-ohm load. Use two diodes specified to have a 0.7-V drop at a current of 10mA. The diodes are to be connected to a +5-V supply through a resistor R.
A 660 MW, 25 kV, 50 Hz, 2-pole, synchronous generator havinga synchronous reactance of j1.2Ω per phase, delivers rated output at0.85 power factor lagging. (Assume the windingresistance to be negligible).
Compute i2(t) through resist R, Find value of w0 for which the amplitude of the current |I2| is maximum, compute I2 for w=w0. compute the ratio of the amplitude of the voltage source over the amplitude of the voltage across the resistor.
Consider the 1D system whose input-output equation is given by g(x) = f(x)*f(x), where * denotes convolution. a) Write an integral expression that gives g(x) as a function of f(x). Hint: Convolution definition
x[n] is the input sequenceapplied to a digital filter whose impulse response h[n] is alsogiven below. Find the resulting output sequence,y[n]. Hint: There's a VERY easy way to solve thisproblem, and a way which is not so easy. If it seems hard,you..
While both triangular and sawtooth waveforms work in a PWM modulator, it does affect the phase of the PWM output and being able to control this can be useful. Consider your resistor and capacitor choices for the 555 timer circuit.
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