search:可變電阻電路相關網頁資料

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日期:2025-05-07
Resistors restrict or limit the flow of current in a circuit. The ability of a ... The main difference between the two types of variable resistor is their size. Pre-set ......
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日期:2025-05-05
(68日大)在如圖的電路中,調節可變電阻使電表A中沒有電流通過,則可變電阻之值為(A) 0 Ω (B) 20 Ω (C) 50 Ω (D) 80 Ω (E) 200 Ω 邱博文物理 ......