Week10QuizAnswersV3

E because the gradient in position space can no

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Unformatted text preview: time, τ m defined? 2 2 a) υ x τ m 2 υ x . b) υ 2τ m υ 2 . c) ( E − E )τ C m (E − E ) C . d) All of the above. e) None of the above. 1 1 1 5) What is called? =+ µtot µ1 µ2 a) The Thompson relation. b) The Kelvin relation. c) The Wiedemann- Franz law. d) The Lorenz number. e) Mathiessen’s rule. Lecture 25 Quiz: 3) Why is the BTE harder to solve in the presence of a B- field? a) Because we are no longer near equilibrium. b) Because non- degenerate statistics must be used. c) Because the cross product makes the math more difficult. d) Because the gradient in momentum space can no longer be approximated by the gradient of f S . e) Because the gradient in position space can no longer be approximated by the gradient of f S ....
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