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]
If the frequency of the AC voltagerso kyyo1eq. a6gm/a )o12a9rxk*7iz t2hwwx6xg fmdt,99 x- across an inductor is doubled, the inductive reactance of tf2dw, 99i x-6k7txmtzxhx g*what inductor
A. increases to 4 times its original value.
B. increases to twice its original value.
C. decreases to one-half its original value.
D. decreases to one-fourth its original value.
参考答案: B
本题详细解析:
暂无
| 
