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Silicon has an absorption co-efficient of 850 cm-1 at a wavelength of 805 nm. Light of intensity 1 W/m2 at this wavelength is directed at normal incidence onto a polished silicon wafer of thickness 0.5 mm.
a. Assuming a top surface reflectance of 30%, calculate the photon flux in units of photons/m2/s at a depth of 20 microns.
b. Calculate the generation rate of e-h pairs per unit volume at this depth.
c. The reverse of generation can also happen: Recombination in the bulk or at the surface. Describe using an energy band diagram three types of recombination in solar cells.
This document is shown a paper on Orthogonal frequency-division multiplexing with advantages, disadvantages and uses.
how to design boost converter and inverter parameters?
Inflation in years 1-5 equals 3.1 percent, 2.2 percent, 1.6 percent, 1.3 percent, and 1.1 percent, respectively.
What are the incremental savings that result from increasing the efficiency of a PV collector by 1% in terms of collector area and costs? Assume that the PV module represents about 50% of the total PV system cost.
A plant has two identical standby generator units for emergency power use. In the area of the generators, the normal noise level registers 81 dBA on the sound-level meter with the generators turned off. When one generator switches on, the noise le..
What is the fundamental frequency of the spectrum of the square wave? What is the magnitude of the fundamental frequency component of the spectrum of the square wave?
A set of digital scales is required to measure a load of 1000 N with an accuracy of ±1 N. Determine the minimum output resolution of the required ADC.
A radio receiver for the HF band covers the frequency range 2 MHz to 30 MHz. The first IF frequency is 3.0 MHz and the local oscillator is above the received signal frequency.
Efficiency of MOSFET circuit provide in datasheets of any product is measured at transient state of my output node or staedy state?
Consider the convolutional code described by connection polynomials
Linearity, order, casuality, and time variance for systems, What are the linearity, order, casuality, and time variance of each input-output relationship for systems?
How to determine the suitable size of cable for Electrical Wiring Installation and please with Solved Examples.
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