問題詳情
19. 三條鎳鉻絲的電阻值分別為0.8Ω、3Ω及2Ω，連結如附圖所示，若通過3Ω的電流強度2A，則整個迴路的總產熱功率為多少瓦特？ 
(A) 40瓦特
(B) 50瓦特
(C) 60瓦特
(D) 80瓦特
(A) 40瓦特
(B) 50瓦特
(C) 60瓦特
(D) 80瓦特
參考答案
答案：[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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