17. For the circuit shown (3Ω, 12V, 4Ω, 6V, 4Ω, 8Ω), what is the potential difference between points a and b?
(A) 10.25 V
(B) 10.85 V
(C) 11.25 V
(D) 6.75 V
(E) 5.25 V
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統計: 尚無統計資料
統計: 尚無統計資料