試卷名稱:112年 - 112 國立清華大學_學士後醫學系單招試題_自然科學組:化學與物理#113793
年份:112年
科目:學士後西醫物理及化學
33. A toroidal inductor with an inductance of 20 mH has a volume of 0.02 m3 . If the average energy density of the toroidal coil is 50.0 J/m3. which of the following values is closest to the current (in amperes) through the inductor?
(A)0.2
(B)1.0
(C)2.0
(D)10.0
(E)20.0