http://i748.photobucket.com/albums/xx125/zxc123_06/phymc.jpg
the ans is C
Please explain it to me.
更新1:
Why the two resistors on the left are short-circuited?
更新2:
Why the two resistors on the left are short-circuited?
Why the two resistors on the left are short-circuited?
Why the two resistors on the left are short-circuited?
收錄日期: 2021-04-19 20:45:41
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20091128000051KK00640