Calculate the electrical conductivity of the material
An n-type extrinsic semiconductor has an electron concentration of 5x10^17 m^-3. If the electron drift velocity is 350 m/s under an applied electric field of 1000 V/m calculate the electrical conductivity of the material.
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From 1975 to 1986, the General Social Survey asked its participants if they favored or opposed capital punishment. A least squares regression line was calculated to predict the percent that favored the death penalty based on the year.
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what would be the minimum length of the tongs used to carry the vial in order that his dose not exceed 3 mrad during the operation?
It is known that the compressor consumes 1.2kW of electricity at this operating condition. Determine 1) heat rejection rate to the surrounding; 2) cooling rate; and 3) the COP of the refrigerator.
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Assume that all the terms in the Drake equation have the values given in the text, except for N and L. (a) If there are 1000 civilizations in the Galaxy today, what must be the average lifetime of a technological civilization? (b) What if there ar
If you collect data at SEVERAL restaurants, mixing both the expensive "gourmet" type and the cheap cafeteria type, the correlation between the amount of food served per person and the price paid for it should be:
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