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原帖由 爱城电工 于 2009-1-12 19:16 发表 ) ^# E9 J5 ]3 h# H
为什么电容器阻断DC 而通AC? , }; r" C( f# s* F' m- B. r3 H {/ W
" Y' H, y* T& Z9 t- d: i+ p$ f" j) hI would like to ask a question, just for curiosity, if you do not mind.7 L2 r, H' o$ p g5 A8 M: d
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Is that a real question during your interview for an electrician job? |
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