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A uniformly doped abrupt p-n junction (step junction) diode is fabricated. At room temperature 25% of the total space charge region (depletion region) is in the p region. The built in potential is also measured to be 0.710V. a) Calculate the dopant concentration, b)Size of the space charge region at n side and the p side, c) Calculate the maximum electric filed inside the junction?
In a scanning electron microscope, an electron is accelerated by a static electrode biased with a 12 kV voltage relative to the electron source. Upon bombarding the sample the electron “kick out†photons with specific wavelength.
A charge density of ohm Coulombs per square meter is uniformly distributed over a thin and very long cylindrical shell of radius a. You want to know the electric flux density field D and the electric field E generated by this charge at all points ..
Compute the equilibrium carrier concentrations and the position of the Fermi level with respect to the conduction band edge for a uniformly doped Si region with N_D=1*10^16 cm^-3 and N_A = 1*10^17 cm^-3 at room temperature.
Given that the number of charges measured at t1 is n1 = 2.20×10^19, and the number of charges measured at t2 is n2 = 7.15×10^19. Find the current flow if the time interval between t1 and t2 is 2 s.
How would you know a system is linear by just looking at its input/output characteristic graph And what does the sensitivity of a sensor tells us about the sensor
Received power of half-wave dipole antennas, Assume that two antennas are half-wave dipoles and each has a directive gain of 3dB. If the transmitted power is 1W and the two antennas are separated by a distance of 10 km, what is the received power?
Identify how the existence of interest groups and political parties affect the public opinions of Texans. Is this affect beneficial or hinderances to the prinicipal of local control popular in Texas policy Why
Suppose that a family of logic gates considers the output ranges of [0 - 0.2V] as "0" and [3.1V-3.3V] as "1". What are the reasonable input ranges for "0" and "1"? (a) "0": [0.1 - 0.4V], "1": [2.3V - 3.3V]; (b) "0": [0-0.3V], "1": [2.8V - 3.0V]; (..
1.Convert 5EDA into binary number. What makes base 16 (Hexadecimal) an attractive numbering systems for representing values in computers 2. What is 4365 - 3412 when these values represent unsigned 12-bit octal numbers
A 23-kVA, 2300/230-V, 60-Hz, step-down transformer has the following resistance and leakage-reactance values: R1 = 4 ohm, R2 = 0.04 ohm, Xl = 12 ohm, and X2 = 0.12 ohm. The transformer is operating at 75% of its rated load.
A process has the dynamics G(s)=5/s^2. Design a unity negative feedback controller of the form G.c(s)=Ks+1 for a step response exhibiting approximately 15% overshoot.
A 345-kV, 3-phase transmission line delivers 100 MVA, 0.866 lagging, to a wye connected load. Calculate the following: a. The total real and reactive power delivered to the load. b. The real and reactive power per phase.
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