Physics, 08.03.2021 19:20 Valduarte07
An N-type semiconductor has hall coefficient 4.16⨉ 10-4 m³/C. The conductivity is 10 -8 S /m. Calculate its charge carrier density ne and electron mobility at room temperature.
Answers: 2
Physics, 22.06.2019 02:10, allytrujillo20oy0dib
How is coal extracted from mountaintop removal mines? a. dynamite is used to create underground tunnels where miners go to extract the coal. b. dynamite is used to break apart rocks and then draglines are used to remove the broken rock and reach the coal. c. coal in mountaintops is extracted by digging strips in the landscape to reach the coal. d. placer deposits in mountain river bottoms are removed by
Answers: 2
Physics, 22.06.2019 13:30, livingfamyboys35
The period of a pendulum varies directly as the square root of the length of the pendulum and inversely as the square root of the acceleration due to gravity. find the period when the length is 144 cm and the acceleration due to gravity is 980 cm per second squared, if the period is 7pi seconds when the length is 289 cm and the acceleration due to gravity is 980 cm per second squared.
Answers: 2
An N-type semiconductor has hall coefficient 4.16⨉ 10-4 m³/C. The conductivity is 10 -8 S /m. Calcul...
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