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50. The switch is connected to position a for a long time interval as shown in the figure. At t = 0, the switch is thrown to position b. After this time, what are the frequency of oscillation of the LC circuit?

(A) 159 Hz
(B) 359 Hz
(C) 559 Hz
(D) 759 Hz
(E) 959 Hz



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10
 【站僕】摩檸Morning:有沒有達人來解釋一下?
倒數 1天 ,已有 1 則答案
面試倒楣鬼-22幸運上後西 大二上 (2022/07/31):

ω = 1/√(LC) =1000 =2πf , f ~=159 (A)

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50. The switch is connected to position ..-阿摩線上測驗