
[課業] 電容充放電問題

請教這題算法
答案是A
但是不知到裡面的5怎麼求
自己算是20(1-e^-2)
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推
06/24 15:32, , 1F
06/24 15:32, 1F
→
06/24 15:33, , 2F
06/24 15:33, 2F
推
06/24 15:35, , 3F
06/24 15:35, 3F
推
06/24 15:38, , 4F
06/24 15:38, 4F
推
06/24 17:59, , 5F
06/24 17:59, 5F

推
06/24 20:26, , 6F
06/24 20:26, 6F
→
06/24 20:27, , 7F
06/24 20:27, 7F
→
06/24 20:27, , 8F
06/24 20:27, 8F
→
06/24 20:28, , 9F
06/24 20:28, 9F
→
06/24 20:28, , 10F
06/24 20:28, 10F
→
06/24 20:28, , 11F
06/24 20:28, 11F
推
06/24 20:32, , 12F
06/24 20:32, 12F
推
06/24 22:21, , 13F
06/24 22:21, 13F
推
06/25 02:38, , 14F
06/25 02:38, 14F
→
06/25 02:39, , 15F
06/25 02:39, 15F
→
06/25 02:39, , 16F
06/25 02:39, 16F
→
06/25 02:40, , 17F
06/25 02:40, 17F
推
06/27 13:47, , 18F
06/27 13:47, 18F
→
06/27 13:47, , 19F
06/27 13:47, 19F
→
06/27 13:48, , 20F
06/27 13:48, 20F
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