éçµåºç±éæ¢çµè·(ç¸å¯¹äºè§å¯è
éæ¢ççµè·)æ¿åççµåºï¼ æ ¹æ®éçµåºçé«æ¯å®ç,éçµåºççµåºçº¿,èµ·äºæ£çµè·,ç»æ¢äºè´çµè·,æä»æ ç©·è¿å°æ ç©·è¿,æ
éçµåºæ¯ææºåºï¼ä»å®å¹ç¯è·¯å®çæ¥è¯´å®æ¯ä¸ä¸ªæ æåºï¼æ ¹æ®ç¯éå®ç,éçµåºä¸ç¯éæçäºé¶,表æéçµåºä¸æ²¿ä»»æéåè·¯å¾ç§»å¨çµè·,çµåºæåçåé½ä¸ºé¶,å æ¤éçµåºæ¯ä¿å®åºï¼ æ ¹æ®åºä»å®å¾,两个ç¹çµè·ä¹é´çä½ç¨åè·å®ä»¬çµéçä¹ç§¯ææ£æ¯,åå®ä»¬è·ç¦»çå¹³æ¹æåæ¯,ä½ç¨åçæ¹åå¨å®ä»¬çè¿çº¿ä¸,å³Fï¼kQ1Q2/r2,K为éçµåæé,约为9ï¼10ã9çç±³2/åº2 注æ,ç¹çµè·æ¯å½å¸¦çµä½çè·ç¦»æ¯å®ä»¬ç大å°å¤§å¾å¤æ¶,带çµä½çå½¢ç¶å大å°å¯ä»¥å¿½ç¥ä¸è®¡ççµè· æåºçµåºååç£åºæ¿åççµåºå«æåºçµåºæ涡æçµåºï¼æåºçµåºççµåºçº¿æ¯éåç,没æèµ·ç¹ãç»ç¹ï¼éåççµåºçº¿å
å´ååçç£åº,å±äºéä¿å®åºï¼ çµç£æåºç°è±¡è¯´æ,çµè·è½æ¿åçµåº,ç£åºååä¹è½æ¿åçµåº.ç£åºåå导è´éè¿éå导ä½åè·¯çç£ééåçåå,åè·¯ä¸ä¾¿äº§çæåºçµæµ,ä¹äº§çäºçµè·å®å移å¨ççµåº.å®éªè¡¨æ,导ä½ä¸åå¨,ç£åºåå,ä¹è½æ¿åçµåº. ä¸ãéçµåºä¸æåºçµåºçç¸åç¹ éçµåºä¸æåºçµåºæ¢ç¶é½æ¯çµåº,èªç¶å
·æçµåºå
±åçåºæ¬ç¹æ§,æ¦æ¬èµ·æ¥æä¸ä¸å ç¹ï¼ 1ã 两类çµåºé½æ¯ç©è´¨åå¨çä¸ç§ç¹æ®å½¢æ.å®ä»¬è½ç¶ä¸æ¯ç±ååãååç»æç,ä½åç±ååãååç»æçç©è´¨ä¸æ ·,é½æ¯ä¸ä¾èµäºäººçæè§äºå®¢è§åå¨çèªç¶å®¢ä½. 2ã 两类çµåºæåºæ¬çæ§è´¨æ¯å¯¹æ¾å
¥çµåºä¸ççµè·é½ä¼äº§ççµåºåçä½ç¨.çµåºåç大å°é½å¯ç¨å
¬å¼F=qE计ç®.æ£çµè·å¨æç¹åççµåºåæ¹åé½å该ç¹åºå¼ºçæ¹åç¸å,è´çµè·å¨æç¹åççµåºåæ¹åé½å该ç¹åºå¼ºçæ¹åç¸å. 3ã 两类çµåºé½å¯ç¨E=F/qå®ä¹çµåºå¼ºåº¦,åºå¼ºçæ¹åé½è§å®ä¸ºæ£çµè·ååçæ¹å.两类çµåºé½å¯åå©çµåºçº¿æ¥å½¢è±¡å°æè¿°çµåºç强弱åæ¹å. äºãéçµåºä¸æåºçµåºçä¸åç¹ èªç¶ççäºç©å½¢å½¢è²è²ãåå·®ä¸å«.éçµåºä¸æåºçµåºè½ç¶é½æ¯çµåº,ä½ç±äºäº§ççæºçä¸å,å¿
ç¶åå¨å¤æ¹é¢çå·®å¼.åªæ对两类çµåºè¿è¡æ¯è¾,æ¾åºå®ä»¬çä¸åç¹,æè½æ´å¥½å°é´å«ã认è¯å®ä»¬. 1ã 两类çµåºäº§ççæºçä¸å ç¸å¯¹è§æµè
éæ¢ççµè·å¨å¨å´ç©ºé´äº§çççµåºæ¯éçµåº.ååçç£åºå¨å¨å¨å´ç©ºé´äº§çççµåºæåºçµåº.æåºçµåºç产çä¸æ¯å¦åå¨éåçµè·¯æ å
³. 2ã 两类çµåºåºå¼ºå¤§å°çå³å®å ç´ ä¸å 3ã 两类çµåºççµåºçº¿ç¹å¾ä¸å 4ã 两类çµåºççµåºåååæ
åµä¸å å¨éçµåºä¸ä¸¤ç¹é´ç§»å¨çµè·çµåºååçåä¸è·¯å¾æ å
³,ç±èµ·ç¹åç»ç¹çä½ç½®å³å®.å¨æåºçµåºä¸ä¸¤ç¹é´ç§»å¨çµè·,æåºçµåºååçåä¸è·¯å¾æå
³.
温馨提示:答案为网友推荐,仅供参考