問題詳情

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


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

參考答案

答案：A
難度：計算中-1
書單：沒有書單，新增

用户評論

【面試倒楣鬼-22幸運上後西】評論

ω = 1/√(LC) =1000 =2πf , f ~=159 (A)