試卷名稱:113年 - 113 臺灣綜合大學系統_學士班轉學生聯合招生考試:普通物理A#125298
年份:113年
科目:研究所、轉學考(插大)◆普通物理學
17. The figure shows the direction of the current through three inductors. Here are the currents as a function of time t: i1 = 5t; i2 = 5t; i3 = 5/t. In which inductor is the induced emf upward in the figure? 
(A) 2 and 3,
(B) 1 and 3,
(C) 3 only,
(D) all three,
(E) none.