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CdS photodetector is irradiated by light with wave-length of 450nm and intensity of 30Wm^-2. If the band gap of CdS is 2.4 eV and all electron-hole pairs are extracted without recombination. What is
d^2y/dt^2 - 6dy/dt +36y(t)=25 dx/dt find the zero input response of the system given y(0)=1 and dy/dt when t=0 = -3 find the Laplace system function, H(s) for the system described by equation Equqtion
A lossless transmission line is embedded in a medium having a dielectric constant of 9. The per-unit length capacitance of the line is given as 100 pF/m. a.Find the wave velocity in the medium.
Assume we have a toroidal coil with a rectangular cross section, with an inner radius 1 cm, an outer radius 2 cm, a height of 1 cm and 1000 turns. The coil is connected to a resistor of 500 ohms. An
Using DC Operating point analysis in Multisim (DO NOT USE MULTIMETER INSTRUMENT-NO CREDIT) determine the emitter voltage and emitter current. Provide a screenshot of the results window.
Suppose L=25mH, but the resistance value,R, is not specified. Find a condition on R so that the circuit is strictly BIBO unstable (i.e., not even marginally stable). Hint: you might not be able to p
John's house is served electrically by a single phase transformer rated 15 kVA, 8160 / 220 V, 60 Hz. The leakage reactance of the transformer is 400 ohms referred to the high side. John wants to r
Japan has both a 50 Hz power system and a 60 Hz power system. A motor - generator set is designed to connect the two. The basis is that the motor would be operated from the 50 Hz
A 100 MHz plane wave is incident from air onto a dielectric medium ( \(\epsilon=\epsilon _{o}\) ) at normal incidence. Find the below. a. \(\Gamma \) and SWR b. \(\lambda \) in air and in dielectric
A certain oil filled 100 MVA three phase transformer is rated at 345 kV / 25 kV, 75 degree C temperature rise, FOA, 60 Hz, connected delta / grounded wye. The equivalent circuit of the transformer
Calculate the extraction efficiency (in percentage) of flat - surface LED without any encapsulation (emits directly into the air). The LED is fabricated from material with the refractive index n = 2
A 5,600 km long transatlantic (NYC-London) communications cable made of optical fibers with nf~ 1.5. A white light pulse is generated at the input end in NYC. Refractive index for red light is nred
Write a 68000 assembly language subroutine, ROTMEM, which rotates the elements (words-size) of an array stored at location point to by (A0). The depth of the array is stored as the first element.
Write a program that uses the rand_float functions developed to generating sequences of random floating-point values between 4 and 10. Then compare the computed mean and variance to the theoretical
A silver(Ag) electrode and a zinc(Zn) electrode are placed in the same electrolyte and connected to a voltmeter in a voltaic cell. The resistance of the volt bridge and electrolyte solution is 5k Oh
An AISI 4140 OQT 1000 sleeve is to be secured to a 2.50-inch diameter solid rod ot the same material employing a class FN1 force fit. The outside diameter of the sleeve is 5.00 inches.
1. Obtain a minimal hazard free SOP expression for f(A,B,C,D)=fm(0,1,5,6,8,11,13,14,15),d(2,3,10). 2.Implement f(A,B,C,D)=åm(0,4,5,7,10,13,14,15),d(1,2,9) using a minimal number of 1-of-2 MUXs a
Consider two continuous signals f(x, y) and g(x, y) that are separable, show that their convolution is also separable. Show that the 2-D Fourier transform of the rect function is the sinc functi
Assuming the bandgap of GaAs, Eg1 = 1.424 eV and that of AiAs, Eg2 = 2.671 eV, find the required AI - fraction x in AIxGa1As compound to fabricate the material for red light emission with the wavele
A BJT is operating at a collector current of 1mA ,when Vce=1v and it has early voltage of 75v.If Vce is increased to 11v,find collector current
Find the input torque to the generator.If armature current and field current are kept constant, find the new value of the terminal voltage if the power factor is changed to 0.7 lagging.
one group of students made an error by using HCLinstead of H2SO4 to titrate an unknown solution of NaOH. Would this error change the calculated molarity of the NaOH solution.
Find the real power and reactive power dissipated in an impedance Z = 2 ohm at zero degree carrying a current of I = 6 + j8 A. What is real power consumed by the impedance
Consider two Functions F = E(1,2,3,5,7,9) and G = E(0,5,7,8,9,11,13,15) a) Use K-maps to minimize the function Fb) Use K-maps to minimize the function G c) How many total terms and literals are presen