問題詳情
34. 一個用來推動喇叭的元件可容許的最高工作介面溫度是 150℃,其規格明示加裝散熱片後,在 室溫 (25℃) 時可用的最大功率是 3.6 W;若散熱特性是線性,則在環境溫度為 50℃ 時,所容許的 最大功率約為何?
(A) 3.8 W
(B) 3.3 W
(C) 2.9 W
(D) 2.5 W
(A) 3.8 W
(B) 3.3 W
(C) 2.9 W
(D) 2.5 W
參考答案
答案:C
難度:困難0.2
統計:A(3),B(1),C(1),D(0),E(0)
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