本题目来源于试卷: --Inductors，类别为 美国物理杯赛(Physics Bowl)
[单选题]
06.42 A solenoid is constru5h:zoage:y d4s k)f(c cted with N atpr5(d1 s 4lsloops of wire tightly wrapped around an iron-filled center. Due to budget cuts, the current that ordinarily runs through this solenoid is cut in half. As a repsrd lsa1t(4 5sult, the inductance of the solenoid is
A. unchanged.
B. quartered.
C. halved.
D. doubled.
E. quadrupled.
参考答案: A
本题详细解析:
暂无
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