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∂Δnp/∂t = DN∂2Δnp/∂x^2 -Δnp/τn + GL is known as the minority carrier diffusionequation for electrons.(a) Why is it called a diffusion equation?(b) Why is it referred to as a minority carrier equation?(c) The equation is valid only under low-level injectionconditions. Why?
Find electric field everywhere produced by two concentrically oriented spheres of radii Ra and Rb (Rb > Ra ) whose volumes are uniformly and oppositely charged to the same amount of charge, Q0.
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 AC current I(t) = Io cos(wt)
A buck converter has input voltage of 10 V, switching frequency 1 kHz, The load resistance of 5 Ω requires average voltage of 5 V with a maximum ripple of 20 mV. The maximum ripple current of the inductor is 0.2 A.
a) Find the code word transmitted when the data word is 101100011011. b) Draw the LFSR circuit to generate the CRC. Generate the CRC by applying the data pattern to the LFSR and verify the answer in part a.
1. Use the Quine-McCluskey minimization method to find a minimum cost SOP realization of the following functions (a) f(x1,x2,x3,x4)= fm(0,2,4,5,7,8,9,15) (b) f(x1,x2,x3,x4)= fm(0,4,6,8,9,15) + d(3,7,11,13)
For each of the following functions find the values of S & Wn (omega n) and characterize nature of response (overdamped,underdamped,critical damped,etc) a) G(s)= 225/ s^2 +30s+225 b) G(s)= 625/ s^2 +625
(b) Verify that there are 4.994×(10 to the power 22) atoms per cubic centimeter in the Si lattice at room temperature. (c) Determine the center to center distance between nearest neighbours in the Si lattice.
The current flowing through a 300-mH inductance is given by 5e(-200t). Find expressions for the voltage, power, and stored energy. Sketch the waveforms to scale for 0
Your cousine has just bought a used car for $600. He is to pay for it as follows. A $ 2,000 down payment and 24 end of months payments of $ 177.28. What nominal annual intereste rate is being paid what is the actual interest rate
Three single-phase 7200:480 volt, 20 kVA transformers are connected in a bank with the 7200 volt winding connected in wye and the 480 volt winding connected in a delta 1) the kVA rating of the three phase bank is
Frequently, the output of transducers are much smaller than what an A/D converter expects on its input. That would require an amplifier to match it. Sometimes the output does not start at 0V. Usually the minimum reference input voltage of an A/D
Write a MATLAB program that will allow a user to type the specific heat of a value in calories per gram degree Celsius. Display the converted value in units of British thermal units per pound-mass degree Fahrenheit in the Command Window
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