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The doping level of N-type semiconductor is Nd= 5^19 cm^-3. Determine the room tempature position of the Fermi level ( with respect to the bottom of the comduction band) if the semiconductor isA). Si (Nc=2.86^19cm^-3)B). GaAs (Nc=7^18 cm^-3)What would be the relative error ( expressed in percent) if the Maxwell-Boltzmann distribution was assumed?
consider the following two first-order transfer functions H1 (z) = z + b/z + a , a = 0.3, b = - 0.4 H2(z) = bz + 1/z + a , a = 0.3, b = - 0.4 (a) draw the pole-zero plot for both transfer function H1(z) and H2(z)
3-phase line, which has an impedance of 2 + j4 per phase, feeds two balanced three-phase loads that are connected in parallel. One of the loads is Y-connected with an impedance of (20 + j40) per phase
1) Calculate the open circuit voltage VOC (ZL removed) (magnitude and phase angle) 2) Calculate the Thevenin Equivalent impedance ZTH for this circuit (magnitude and phase angle)
an inventory control system that keeps track of what items are in stock when the level falls below a certain value ?
An aluminum casting that has a mass of 10 kg sits on a steel surface. How much force will be necessary to get it to start sliding. The static coefficient of friction (mu) for aluminum on steel is 0.61.
What sort of waveform does the input signal have? Is the input signal periodic or non-periodic? If the input waveform is non-periodic, what is its pulse width?
Imagine a circuit consisted of two DC power sources of 12 volt and 10 volts. The negative terminals of these power sources are wired together. Assume that the positive terminals of these power sources are labeled as A and B respectively.
Vs=310 V (Vrms=219 V) at the input of bridge rectifier Need LC filter at the output of bridge which can provide 240 V +-10V DC, with 2 A constant current. find method to find appropriate values of LC which can provide these specification.
A pipe of inner radius 4 cm, outer radius 6 cm, and infinate length is centered on the z-axis. Charge is evenly distributed within the wall of the pipe in the amount of 16 coulombs per meter length.Find and Plot the electric feild density as a fun..
A wire is bent in the form of a half loop of radius a = 10 mm and charged with a line charge density XL = 10-9 C/m. Calculate the field intensity at center of the loop.
A combinational logic circuit has 3 outputs as described below: F1=Minterm(0,3,4) F2= minterm(1,2,7) F3= Maxterm=(0,1,2,4) Implement the circuit using a single decorder with active high outputs and external 2 input OR gates
A 10 kW, 220 V, dc shunt motor has field and armature reistance of 110 ohms and .20 ohms, respectively. At no-load the motor runs at 1200 rpm and has an armature current of 5 A.
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