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113年 - 113 國立中興大學_學士後醫學系招生考試_學士後醫學系:物理#119346
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42. In a transformer, how many turns are necessary in a 110V primary if the 24V secondary has 100 turns?
(A) 458
(B) 240
(C) 110
(D) 22
(E) 4
答案:
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統計:
A(14), B(0), C(0), D(3), E(0) #3224688
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