7.如圖六所示,R1 = 10kΩ,R2 = 5kΩ,R = 1kΩ,C = 1μF,試求 fo = ? (A)5kHz (B)1kHz (C)500Hz (D)250Hz
7.如圖六所示,R1 = 10kΩ,R2 = 5kΩ,R = 1kΩ,C = 1..-阿摩線上測驗