Engineering, 03.12.2019 19:31 evy22
Germanium to which 5 x 1022 m—3 sb atoms have been added is an extrinsic semiconductor at room temperature, and virtually all the sb atoms may be thought of as being ionized (i. e., one charge carrier exists for each sb atom). (a) is this material n-type or p-type? (b) calculate the electrical conductivity of this material, assuming electron and hole motilities of 0.1 and 0.05 m2/v • s, respectively.
Answers: 2
Engineering, 04.07.2019 18:20
Find the kinematic pressure of 160kpa. for air, r-287 j/ kg k. and hair al viscosity of air at a temperature of 50°c and an absolute (10 points) (b) find the dynamic viscosity of air at 110 °c. sutherland constant for air is 111k
Answers: 3
Engineering, 04.07.2019 19:10
Which of the following is the most important advantage of a large field of view? a. allows larger areas to be examined b. relieves eyestrain c. minimizes parallax errors. d. increases precision in proportion to the in- crease in field of view
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Engineering, 04.07.2019 19:20
The process in which the system pressure remain constant is called a)-isobaric b)-isochoric c)-isolated d)-isothermal
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Engineering, 04.07.2019 19:20
Brief discuss how the presence of dislocations in crystal structures can be an advantage and a disadvantage to engineer and designers.
Answers: 3
Germanium to which 5 x 1022 m—3 sb atoms have been added is an extrinsic semiconductor at room tempe...
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