本题目来源于试卷: Electricity and Circuits: Inductors，类别为 美国物理杯赛(Physics Bowl)
[单选题]
06.42 A solenoid is constructed with N loops of wire cly;*qd6kh9 n6 re 1antightly wrapped around an6 l*gqksp80bp) dhw /o iron-filled center. Due to budget cuts, the current that ordinarily runs 6 w*obhlpq 08kd) gps/through this solenoid is cut in half. As a result, 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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