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 tuneaon/flrwtc*; :rs*- f6rbed(6 x( qy.9jc5fpiepx h)s a crystal radio set by means of a simple RLC circuit to receive a radio station broadcasting at 660 kHz9 rx 5. ) d6j(eiphf(yqpcb6xe. To receive a station broadcasting at 1320 kHz the capacitor in the RLC circuit could be changed. By what factor must the original capacitance 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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