å¾9-1ï¼çµé»åçµå®¹å¹¶èï¼ä¸¤è
çµåç¸åï¼çµæµ
ç¸ä½å·®90°ï¼â
1²=I2²+I3²ï¼æ以I1=â(13²+5²)=13.93Aãéâ£ã
å¾9-2ï¼RLC串èï¼ä¸è
çµæµç¸çï¼URä¸çµæµåç¸ï¼ULä¸Ucç¸ä½å·®180°ï¼U²=UR²+(UL-Uc)²ï¼èUL-Uc=0ï¼æ以U=UR=100Vãéâ ã