å 为并èæ¯è·¯ä¸¤ç«¯çµåç¸ç,ç±U=I1R1=I2R2=â¦å¯ç¥,
并èçµè·¯ä¸åæ¯è·¯ççµæµè·æ¯è·¯ççµé»æåæ¯,è¿å°±æ¯è¯´,并èçµè·¯ä¸çæ»çµæµä¸ä»
çäºåæ¯è·¯ççµæµä¹å,èä¸åæ¯è·¯ä¸ççµæµæ¯æ ¹æ®åæ¯è·¯çµé»ç大å°æåæ¯ä¾åé
ç,é»å¼è¶å¤§çæ¯è·¯ä¸,çµæµè¶å°,å æ¤,并èçµè·¯å
·æåæµä½ç¨.åªè¦ä»»ä½æ¯è·¯ä¸ççµé»å¼åçæ¹å,åæ¯è·¯ä¸ççµæµåé
ä¹ä¼åçç¸åºçåå.
并èçµè·¯çåºæ¬ç¹ç¹æ¯ï¼
(1)çµè·¯çæ»çµæµçäºåæ¯è·¯ççµæµä¹å,å³I=I1+I2+â¦ï¼
(2)并èåæ¯è·¯ä¸¤ç«¯ççµåç¸ç,å³U=U1=U2=â¦ï¼
(3)并èçµè·¯æ»çµé»çåæ°çäºå个æ¯è·¯çµé»çåæ°ä¹å.