Science
Junior High
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想請問為什麼這時候為什麼電流不會直接經過伏特計造成短路?是因為伏特計電阻很大嗎?謝謝!
>1.右圖的電路中L、L,為兩盞電燈泡,先記錄安培計與伏特計的讀數,
再按下L的開關,成通路後,下列敘述何者正確?
(AL,燈泡變暗
(B)安培計的讀數變大
(C)伏特計的讀數變大(D)兩燈泡均燒壞
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