本题目来源于试卷: --Inductors，类别为 美国物理杯赛(Physics Bowl)
[单选题]
01.40: A student tunes a crystal radio set by means of a simp 47 c8m,q*j d8mmityezle RLC ci4 gimlmgn , f wr/lt(g0v5n4n/rcuit 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 capacitance be multiplied to tune in the RLC circuitm,(5n gn0m wnrt v/lg4il/fg4 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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