21. 有關 R-L-C 並聯諧振電路,下列何者為非?
(A) 電路呈電阻性
(B)\(Q = R\sqrt{L/C}\)
(C) BW= f0 / Q
(D)\(f_0 = \frac{1}{2\pi}\sqrt{LC}\)
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統計: A(0), B(1), C(0), D(0), E(0) #4004879
統計: A(0), B(1), C(0), D(0), E(0) #4004879