解ï¼çµè·¯å¦ä¸å¾ãå·²ç¥UrãULåUcï¼è¦æ±Uã
ç±äºä¸ºRLC串èçµè·¯ï¼æ以å¯ä»¥è®¾çµè·¯çµæµä¸ºï¼Iï¼ç¸éï¼=Iâ 0°Aã
äºæ¯æï¼Urï¼ç¸éï¼=Urâ 0°ï¼ULï¼ç¸éï¼=ULâ 90°=jULï¼Ucï¼ç¸éï¼=Ucâ -90°=-jUcã
æ ¹æ®KVLï¼Uï¼ç¸éï¼=Urï¼ç¸éï¼+ULï¼ç¸éï¼+Ucï¼ç¸éï¼=Ur+jï¼UL-Ucï¼ã
æ以ï¼U=|Uï¼ç¸éï¼|=â[Ur²+ï¼UL-Ucï¼²]ã