Engineering, 29.11.2019 06:31 pluto82
(a) in your own words, explain how donor impurities in semiconductors give rise to free electrons in numbers in excess of those generated by valence band–conduction band excitations.
(b) also, explain how acceptor impurities give rise to holes in numbers in excess of those generated by valence band–conduction band excitations.
Answers: 3
Engineering, 04.07.2019 18:10, danksans7011
The mass flow rate of the fluid remains constant in all steady flow process. a)- true b)- false
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Engineering, 04.07.2019 18:10, xboxdude06
Slip occurs via two partial dislocations because of (a) the shorter path of the partial dislocation lines; (b) the lower energy state through partial dislocations; (c) the charge balance.
Answers: 1
Engineering, 04.07.2019 18:10, soreese02
An ideal otto cycle with air as the working fluid has a compression ratio of 8. the minimum and maximum temperatures in the cycle are 300 k and 1340 k. use constant specific heats at room temperature to determine (a) the amount of heat transferred to the air during the heat- addition kj/kg, (b) the thermal efficiency, and (c) the thermal efficiency of a carnot cycle ope limits. process, in rating between the same temperature
Answers: 2
(a) in your own words, explain how donor impurities in semiconductors give rise to free electrons in...
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