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practiceExam1_sol - True or False To obtain a p-type...

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Practice Exam 1 Multiple Choice and True/False (Circle the letter of the most correct answer, 20%) 1)(2-points) True or False: In equilibrium, an electric field can NOT exist, otherwise a current would have to flow. 2)(2-points) True or False: An intrinsic material has equal concentrations of electrons and holes. 3) (2-points)
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Unformatted text preview: True or False: To obtain a p-type elemental group four semiconductor, you need to dope with an element group five of the periodic table. 4) (2-points) True or False: In equilibrium, if the electron density is increased by doping, the hole density must also increase to maintain charge balance....
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