Physics Unit21: Electromagnetic Induction & Faraday's Law (id: 19e639b06)

本题目来源于试卷: Physics Unit21: Electromagnetic Induction & Faraday's Law，类别为 通用国际物理

[单选题]
A transformer is a devisv9oo vs4+h1)) 8rwi -u bnibgce thl vj6t 28tk3f1t(hr2ybalu.xf 3-i rdat

A. operates on either DC or AC.
B. operates only on AC.
C. operates only on DC.


参考答案:  B


本题详细解析: 暂无

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