原帖由 sapphire 於 23/4/2008 15:19 發表 since the force acting on both the two wire are equal, resultant magnetic force = 0 by using Fleming's left hand rule, the coil should be rotated in the clockwise direction only wrong 2 MC, flex ... 咁13呢? 係A/B/C... 三個CHOICE也有不少支持者... 42我以為COIL有MOTION就有NET FORCE
only wrong 2 MC, flexor ...... just finish the whole paper orz......
你那年代錯2條很FLEXOR... 今年.... [ 本帖最後由 ting 於 23/4/2008 03:23 PM 編輯 ] |