ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿Ä³ÐËȤС×é¶ÔÊг¡ÖеçÏß½øÐе÷²é£¬
£¨1£©Èçͼ1Ëùʾ£¬²ÉÓÃÈÆÏß·¨²âµÃ¸ÃµçÏßÖ±¾¶Îª____________mm£»
£¨2£©È¡³¤¶ÈΪ100mµÄµçÏߣ¬Óû²âÆäµç×裺
¢ÙÏÈÓöàÓõç±í½øÐдÖÂÔ²âÁ¿£¬½«¶àÓñíÑ¡Ôñ¿ª¹ØÖÃÓÚ¡°¡Á10¡±µµ²¢µ÷Áãºó£¬Á½±í±Ê½Ó´¥´ý²âµç×èµÄÁ½¶Ë½øÐвâÁ¿£¬±íÅÌÖ¸ÕëÈçͼ2Ëùʾ¡£ÎªÁËʹ²âÁ¿Öµ¸ü׼ȷ£¬¡°Ñ¡Ôñ¿ª¹Ø¡±Ó¦ÖÃÓÚ______£¨Ìî¡°¡Á1¡±¡¢¡°¡Á100¡±»ò¡°¡Á1K¡±£©£¬²¢Á½±í±Ê¶Ì½Ó£¬µ÷½Úͼ3ÖÐ___£¨¡°A¡±»ò¡°B¡±£© ÖØе÷Áãºó½øÐвâÁ¿¡£
¢ÚÔÙÓ÷ü°²·¨²âÁ¿Æäµç×裬²¢Éè¼Æͼ4µç·£¬Ôòµçѹ±íµÄÁíÒ»¶ËÓ¦½Ó______£¨Ìî¡°a¡±»ò¡°b¡±£©£¬²âÁ¿µÃµçѹ±íʾÊýΪ4.50V£¬¶øµçÁ÷±í¶ÁÊýÈçͼ5Ëùʾ£¬ÔòËù²âµÄµç×èΪ_________¦¸¡£
¡¾´ð°¸¡¿ £¨1£©1.25 £¨2£©¢Ù¡Á1 B ¢Úa 1.80¦¸
¡¾½âÎö¡¿(1)ÓÉͼ¿ÉÖª£¬10ÔÑÏßȦµÄÖ±¾¶µÄ×ܳ¤¶ÈΪ£º12.5mm£»Ôòµ¼Ïߵİ뾶Ϊ£º12.5/10=1.25mm£»(2) ¢ÙÅ·Ä·±íƫת½Ç¶È¹ý´ó£¬ËµÃ÷´ý²âµç×èµÄ×èÖµ½ÏС£¬Ó¦ÓÃС±¶Âʵµ£»»»µ²ºó£¬ÐèÒªÖØнøÐÐÅ·Ä·µ÷Á㣬·½·¨Êǽ«Á½±í±Ê¶Ì½Ó£¬µ÷½Úͼ3ÖеÄBÐýÅ¥£¬Ê¹Ö¸ÕëÖ¸µ½Âú¿Ì¶È£»
¢ÚÒò´ý²âµç×èµÄ×èÖµ½ÏС£¬¹ÊÓ¦²ÉÓõçÁ÷±íÍâ½Ó·¨£¬¹Êµçѹ±íµÄÁíÒ»¶ËÓ¦½Óa£»
µçÁ÷±íÁ¿³ÌΪ3A£¬Ôò×îС·Ö¶ÈΪ0.1A£¬Ôò¶ÁÊýΪ2.50A£»
Ôòµç×èR=4.50/2.50=1.80¦¸£»