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]
01.40: A student tunes a crystal radion0-plzo8o; rac cmr *8 set by evsf*2zl,- lfk*cbg7b w*sb; means of a simple RLC circuit to receive a radio station broadcasting at 660 kHz. To receive a station broadcasting at 1320 kHz the capacitor in the RLC circuit could be changed. By what factor must the original capacitanceb;e kw g27-ls*sf*bz,cf*lb v be multiplied to tune in the RLC circuit to the new frequency?
A. 0.25
B. 0.50
C. 2
D. 4
E. 16
参考答案: A
本题详细解析:
暂无
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