[請益] 為何我的水泥電阻不發熱?
前輩好，
想DIY自製保溫杯墊，準備材料如下：
9V直流電池*1個
7W, 22OHM, J%的立式水泥電阻*1個
圓鋁片*1個
20AWG紅、黑線各1條
串聯後，水泥電阻不發熱，請問那一個步驟做錯呢?
感謝賜教~
--
※ 發信站: 批踢踢實業坊(ptt.cc)
◆ From: 123.195.101.129
→
03/15 23:58, , 1F
03/15 23:58, 1F
→
03/16 00:02, , 2F
03/16 00:02, 2F
→
03/16 00:03, , 3F
03/16 00:03, 3F
推
03/16 04:58, , 4F
03/16 04:58, 4F
→
03/16 04:58, , 5F
03/16 04:58, 5F
→
03/16 04:59, , 6F
03/16 04:59, 6F
→
03/16 10:24, , 7F
03/16 10:24, 7F
→
03/17 13:19, , 8F
03/17 13:19, 8F
→
03/17 18:58, , 9F
03/17 18:58, 9F
推
05/09 14:52, , 10F
05/09 14:52, 10F
→
05/09 14:54, , 11F
05/09 14:54, 11F
→
05/09 14:56, , 12F
05/09 14:56, 12F
→
05/09 14:57, , 13F
05/09 14:57, 13F
ASM 近期熱門文章
PTT數位生活區 即時熱門文章
27
74