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114年 - 114 臺北自來水事業處及所屬工程總隊_新進職員(工)甄試試題_資訊處理(硬體)_助理管理師_專業科目一:資訊處理(一):1.計算機概論(含硬體及軟體) 2.資訊管理#137517(50題)

114年 - 114 臺北自來水事業處及所屬工程總隊_新進職員(工)甄試試題_助理管理師/一級業務員_專業科目一:管理學、會計學、經濟學及統計學#137516(40題)

114年 - 114 臺北自來水事業處及所屬工程總隊_新進職員(工)甄試試題_助理管理師/一級業務員_專業科目一:自來水營業管理#137515(50題)

114年 - 114 臺北自來水事業處及所屬工程總隊 新進職員(工)甄試_化學工程_助理工程師:輸送現象與單元操作及水處理工程(含給水工程)#137514(50題)

114年 - 114 臺北自來水事業處及所屬工程總隊 新進職員(工)甄試_化學工程_助理工程師:有機化學及儀器分析#137513(50題)

114年 - 114 臺北自來水事業處及所屬工程總隊新進職員(工)甄試_助理工程師_共同科目:英文#137512(15題)

114年 - 114 臺北自來水事業處及所屬工程總隊新進職員(工)甄試_助理工程師_共同科目:自來水法規#137511(15題)

114年 - 114 臺北自來水事業處及所屬工程總隊新進職員(工)甄試_土木工程_助理工程師:自來水工程#137510(50題)

114年 - 114 臺北自來水事業處及所屬工程總隊新進職員(工)甄試_土木工程_助理工程師:土木工程#137509(40題)

114年 - 114 臺北自來水事業處及所屬工程總隊新進職員(工)甄試_土木工程_助理工程師:自來水工程#137508(50題)

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複選題16. Consider a p-n diode. Which of the following statements are correct? (A) Electrons on the n side and holes on the p side will flow towards each other and recombine until all the carriers are neutralized. (B) When the diode is forward biased, both electron current and hole current will flow in the diode contributing to the overall current. (C) When the diode is reverse biased, the current in the diode is essentially negligible if there is any. (D) A good quality diode can be easily formed by mechanically compressing p- and n- type semiconductors into close contact. (E) All of the above.

複選題15. Consider energy bands in a crystal. Which of the following statements are correct? (A) The conduction band of a metal is partially filled by electrons. (B) Existence of energy gap is a manifestation of quantum mechanical phenomenon. (C) Intrinsic semiconductors cannot conduct electricity at all even at high temperatures. (D) Doped semiconductors can conduct electricity primarily with the carriers in the conduction band or holes in the valence band. (E) All of the above. 注

複選題14. You want to calculate electron waves 4(x) in a thin wire (1-dimensional). What if the potential outside the wire were infinite? Which of the following statements are correct in this scenario? (A) The allowed kinetic energies of electrons should be quantized. (B) (x) 0 everywhere000 eV (C) (x) ≈0 everywhere, except for 0<x<L. 이 L (D)y(x) = 0 everywhere, except for 0<x<L (E) Can't tell anything yet. Need to find y(x) first. mathematically V(x) = ∞ for x<0 and x>L V(x) = 0 eV for 0>x<L

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