28 有三個電阻器,電阻值分別為R1Ω、R2Ω、R3Ω,且R1>R2>R3,今將此三個電阻器並聯後,總電阻值為 RTΩ,則下列何者正確?
(A)R1>RT>R2
(B)R2>RT>R3
(C)R3>RT
(D)RT>R1

答案:登入後查看
統計: A(18), B(24), C(488), D(29), E(0) #1210820