ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿ÈçͼËùʾ£¬Ð¡Ó͹͸¾µ£¨f=10cm£©¹Ì¶¨ÔÚ¹â¾ß×ù40cmµÄλÖã¬Ì½¾¿Í¹Í¸¾µ³ÉÏñ¹æÂÉ¡£ÏÂÁÐ˵·¨ÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A.½«À¯Öò´Ó½¹µãÄÚij´¦Ïò͸¾µ·½ÏòÒƶ¯¹ý³ÌÖУ¬ÏñÖð½¥±äС
B.µ±¹âÆÁÉϳÉÇåÎúµÄÏñʱ£¬Äÿª¹âÆÁ£¬ÑÛ¾¦ÔÚÒ»¶¨·¶Î§ÄÚÈÔÄÜ¿´µ½Ïñ
C.½«À¯Öò·ÅÔÚ10cm´¦£¬Òƶ¯¹âÆÁ£¬¹âÆÁÉϿɵõ½µ¹Á¢ËõСµÄÇåÎúÏñ
D.À¯ÖòȼÉÕÒ»¶Îʱ¼äºó±ä¶Ì£¬Ïñ³ÉÔÚ¹âÆÁµÄÏ·½£¬¿É½«Í¸¾µµÄ¸ß¶ÈÏòϵ÷£¬Ê¹Ïñ³ÉÔÚ¹âÆÁÖÐÐÄ
¡¾´ð°¸¡¿ABC
¡¾½âÎö¡¿
A£®¸ù¾Ý¡°ÎÞÂÛʵÏñ»òÐéÏñ£¬ÎïÌå¿¿½ü½¹µãÏñ¶¼±ä´ó¡±¿ÉÖª£¬À¯Öò´Ó½¹µãÄÚij´¦Ïò͸¾µ·½ÏòÒƶ¯¹ý³ÌÖУ¬Ëù³ÉµÄÐéÏñ½«±äС£¬¹ÊAÕýÈ·£»
B£®ÄÜÔÚ¹âÆÁÉϳÉÇåÎúÏñµÄÊÇʵÏñ£¬ÊµÏñÊÇʵ¼Ê¹âÏß»á¾Û³ÉµÄ£¬µ±°Ñ¹âÆÁÈ¥µôºó£¬Êµ¼Ê¹âÏß»á¾Û³ÉʵÏñºó¼ÌÐø´«²¥£¬½øÈëÈ˵ÄÑÛ¾¦£¬¹ÊBÕýÈ·£»
C£®½«À¯Öò·ÅÔÚ10cm´¦Ê±£¬Îï¾àΪ30cm£¬¶ø½¹¾àΪ10cm£¬¼´Îï¾à´óÓÚÁ½±¶½¹¾à£¬¹âÆÁÉÏÄܳнӵ½µÄÊǵ¹Á¢ËõСµÄÏñ£¬¹ÊCÕýÈ·£»
D£®À¯ÖòȼÉÕÒ»¶Îʱ¼äºó±ä¶Ì£¬¸ù¾Ý¹âµÄÖ±Ïß´«²¥ÔÀí£¬Ôò³ÉµÄÏñ»áÆ«Ïò¹âÆÁÉÏ·½£¬¿ÉÏòÏÂÊʵ±µ÷Õû͹͸¾µ£¬¹ÊD²»ÕýÈ·¡£
¹ÊÑ¡ABC¡£
¡¾ÌâÄ¿¡¿Èçͼ1ËùʾΪһ¿îµçů×À£¬Ëü¾ßÓиߡ¢µÍÁ½µ²£¬ÓÉÐýÅ¥¿ª¹Ø»»µ²£¬µÈЧµç·ͼÈçͼ2Ëùʾ£¬²úÆ·ÃúÅƲ¿·ÖÈçÏÂ±í¡£Çë»Ø´ðÏÂÁÐÎÊÌ⣺
¡Á¡ÁÅƶ๦Äܵçů×À | |||
ȡůÀàÐÍ | µçů | ³ß´ç | 1200¡¤700¡¤580-750 |
µçůÆø¹¦ÂÊ | 440W/2200W | ×î´ó²ÉůÃæ»ý | 20m2 |
ȡůµ²Î» | Ë«µ² | µçÌÕ¯¹¦ÂÊ | 1500W |
(1)µçů¯ÔÚ¸ßεµÊ±µÄ¹¤×÷µçÁ÷Ϊ¶àÉÙ£¿
(2)R2µÄµç×èΪ¶à´ó£¿
(3)ÔÚijÓõç¸ß·åÆÚ£¬Èô¼ÒÍ¥µç·ÖÐÖ»ÓеçÌÕ¯ÔÚ¹¤×÷£¬·¢ÏÖ±êÓС°3000 imp/(kWh)¡±µÄµçÄܱíµÄָʾµÆÉÁ˸81´Î¹²ÓÃʱ60s£¬²¢ÇÒʹºøÖÐ0.5LË®´Ó25¡æÉý¸ßµ½65¡æ£¬Çó´ËʱµçÌÕ¯µÄʵ¼Ê¹¦Âʼ°Ð§ÂÊ¡£
¡¾ÌâÄ¿¡¿Ð¡Ã÷Òª²âÁ¿¶¨Öµµç×èRxµÄ×èÖµ£¨Ô¼Ê®¼¸Å·£©¡£ÏÖÓÐÆ÷²Ä£ºµçÔ´£¨µçѹºãΪ6V£©¡¢»¬¶¯±ä×èÆ÷¡¢µçÁ÷±í¡¢µçѹ±í£¬¿ª¹Ø¸÷Ò»¸ö£¬µ¼ÏßÈô¸É£º
(1)ËûÉè¼Æ²¢Á¬½ÓÁËÈçͼËùʾµÄµç·£¬ÆäÖÐÓÐÒ»¸ùµ¼Ïß½Ó´íÁË£¬ÇëÔÚ½Ó´íµÄµ¼ÏßÉÏ´ò¡°¡Á¡±£¬²¢»³öÕýÈ·µÄÁ¬Ïߣ»
£¨__________£©
(2)¾ÀÕý´íÎóºó£¬±ÕºÏ¿ª¹Ø£¬Ð¡Ã÷·¢ÏÖÁ½µç±íʾÊý¶¼Îª0¡£ËûÓÃÒ»Ìõµ¼Ïß¼ì²éµç·¹ÊÕÏ£¬½«¸Ãµ¼ÏßµÄÒ»¶Ë½ÓÔÚa½ÓÏßÖùÉÏ£¬ÁíÒ»¶Ë·Ö±ð½Óµ½b¡¢c¡¢d¡¢e¡¢fÉÏʱ£¬·¢ÏÖ½Óµ½b¡¢c¡¢dÉÏʱÁ½µç±íʾÊýÈÔΪ0£¬µ±½Óµ½e¡¢f½ÓÏßÖùÉÏʱ£¬Á½µç±í¶¼ÓÐʾÊý¡£ÔòÓÉ´Ë¿ÉÒÔÅжϹÊÕÏÊÇ_______£»
(3)Åųý¹ÊÕϺó¼ÌÐøʵÑ飬ȴ²»É÷½«µçÁ÷±íË𻵣¬Ð¡Ã÷ÀûÓõç×èÏäºÍÔµçÔ´£¨µçѹºãΪ6V£©¼°µçѹ±í£¬Éè¼ÆÁËÈçͼ¼×ËùʾµÄµç·²âÁ¿RxµÄ×èÖµ¡£µ÷½Úµç×èÏä¶Á³öµçѹ±íµÄʾÊý£¬¼Ç¼½á¹ûÈçÏÂ±í£¬ÆäÖеÚ3´Îµçѹ±íʾÊýÈçͼÒÒËùʾ£º
ʵÑé´ÎÊý | 1 | 2 | 3 |
µç×èÏä½ÓÈë×èÖµ£¨¦¸£© | 2 | 7 | 10 |
µçѹ±íʾÊý£¨V£© | 0.8 | 2.0 |
¢ÙµÚ3´ÎʵÑéʱ£¬µçѹ±íʾÊýΪ_______V£»
¢ÚµÚ1´ÎʵÑéʱ£¬µç·ÖеĵçÁ÷ÊÇ_______A£»
¢Û´ý²âµç×èµÄ×èÖµRx=_______¦¸¡£