[題目]大一普物
[領域] (題目相關領域)
大一普物
[來源] (課本習題、考古題、參考書...)
課本習題
[題目]
a certain FM radio tuning circuit has a fixed capacitor C=620*10^(-9)F.
tuning is done by a variable inductance .
what range of values must the have to tune stations from 88MHz to 108MHz?
[瓶頸] (寫寫自己的想法,方便大家為你解答)
課本上找不到L跟C對應頻率關係的公式
不知道怎麼算
感謝
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