[課業] 基本電學
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 →→
↙↓↘
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 124.8.134.143
→
05/28 22:20, , 1F
05/28 22:20, 1F
→
05/28 22:22, , 2F
05/28 22:22, 2F
→
05/28 22:22, , 3F
05/28 22:22, 3F
推
05/28 22:23, , 4F
05/28 22:23, 4F
→
05/28 22:24, , 5F
05/28 22:24, 5F
→
05/28 22:25, , 6F
05/28 22:25, 6F
→
05/28 22:25, , 7F
05/28 22:25, 7F
→
05/28 22:25, , 8F
05/28 22:25, 8F
→
05/28 22:27, , 9F
05/28 22:27, 9F
→
05/28 22:29, , 10F
05/28 22:29, 10F
→
05/28 22:30, , 11F
05/28 22:30, 11F
→
05/28 22:50, , 12F
05/28 22:50, 12F
→
05/28 22:50, , 13F
05/28 22:50, 13F
→
05/28 22:50, , 14F
05/28 22:50, 14F
→
05/28 22:51, , 15F
05/28 22:51, 15F
→
05/28 22:51, , 16F
05/28 22:51, 16F
→
05/28 22:51, , 17F
05/28 22:51, 17F
→
05/29 20:35, , 18F
05/29 20:35, 18F
→
10/11 22:53, , 19F
10/11 22:53, 19F
討論串 (同標題文章)