30 如圖所示之理想運算放大器電路,
,求ωn 為何?
(A)10K rad/s
(B)50 K rad/s
(C)100K rad/s
(D)200 K rad/s
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統計: A(17), B(39), C(167), D(14), E(0) #1329659
統計: A(17), B(39), C(167), D(14), E(0) #1329659