7 - 考試
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By Poppy
at 2013-05-28T21:58
at 2013-05-28T21:58
Table of Contents
題:一電子順著電場方向移動時,下列敘述何者正確: 答案:電位下降,位能增加
我的想法:
V=Kq/r U=KQq/r 順著電場方向移動,這樣不是r會增加,V和U都會下降嗎?感謝
↖↑↗
← ㊣→ e →→
↙↓↘
--
我的想法:
V=Kq/r U=KQq/r 順著電場方向移動,這樣不是r會增加,V和U都會下降嗎?感謝
↖↑↗
← ㊣→ e →→
↙↓↘
--
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