ÌâÄ¿ÄÚÈÝ
9£®¼Òµç´ý»úºÄµçÎÊÌâ³£³£±»ÊÐÃñËùºöÂÔ£®±±¾©ÊеçÁ¦¹«Ë¾Ôø¾Ù°ì¡°¼ÆÁ¿ÈÕ½øÄú¼Ò¡±»î¶¯£¬Ãâ·ÑÉÏÃÅΪÊÐÃñ×ö¼ÒÍ¥ÓõçºÄÄÜÕï¶Ï·ÖÎö£®ÔÚÉÏÃÅʵ²â¹ý³ÌÖУ¬¼¼ÊõÈËÔ±·¢ÏÖµçÊÓ»ú´ý»úÒ»ÌìµÄºÄµçÁ¿ÔÚ0.2¶È×óÓÒ£¬Ð¡Ð¡»ú¶¥ºÐÒ»ÌìµÄ´ý»úºÄµçÁ¿¸üÊǸߴï0.4¶È£®¾Ý×îÐÂͳ¼ÆÉÜÐËÊеij£×¡ÈË¿ÚÔ¼500ÍòÈË£¬²Î¿¼Ï±íÊý¾Ý£¬£®¹ÀËãÿÄêÉÜÐ˵ØÇø¼ÒÍ¥ÓõçÆ÷´ý»úºÄµçÁ¿Ô¼Îª£¨¡¡¡¡£©¼ÒÍ¥³£ÓõçÆ÷ | µçÊÓ»ú | Ï´Ò»ú | ¿Õµ÷ | µçÄÔ |
»§¾ùÊýÁ¿£¨Ì¨£© | 2 | 1 | 2 | 1 |
µçÆ÷´ý»ú¹¦ºÄ£¨W/̨£© | 10 | 20 | 40 | 40 |
A£® | 2¡Á105¶È | B£® | 2¡Á107¶È | C£® | 2¡Á109¶È | D£® | 2¡Á1011¶È |
·ÖÎö ÏÈÇó³öÉÜÐ˵ØÇøµÄ¼ÒÍ¥µÄ×Ü»§Êý£¬ÔÙ¸ù¾ÝW=PtÇó³öËùÓÐÓõçÆ÷ËùÓÐÓû§Ò»ÄêµÄ´ý»úÓõç×ÜÁ¿£®
½â´ð ½â£ºÉÜÐ˵ØÇøµÄ³£×¡ÈË¿ÚÔ¼500ÍòÈË£¬Æ½¾ùÿ»§µÄÈË¿Ú°´3È˼ÆË㣬º¼ÖÝ´óÔ¼167Íò»§¼ÒÍ¥£¬ËùÓÐÓõçÆ÷´ý»úµÄ×ܹ¦ÂÊΪ£º
W=NPt=167¡Á104¡Á0.16KW¡Á£¨360¡Á24h£©=230861¡Á104KW•h¡Ö2¡Á109¶È£»
¹ÊÑ¡£ºC£®
µãÆÀ ±¾Ì⿼²éѧÉúÀûÓÃËùѧ֪ʶ½â¾öÉú»îʵ¼ÊÎÊÌâµÄÄÜÁ¦£¬ÅàÑøѧÉúÑø³É½ÚÔ¼ÓõçµÄÏ°¹ß£®
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿
19£®Í¼£¨a£©×ó²àµÄµ÷ѹװÖÿÉÊÓΪÀíÏë±äѹÆ÷£¬¸ºÔصç·ÖÐR=55¦¸£¬A¡¢VΪÀíÏëµçÁ÷±íºÍµçѹ±í£¬ÈôÔÏßȦ½ÓÈëÈçͼ£¨b£©ËùʾµÄÕýÏÒ½»±äµçѹ£¬µçѹ±íµÄʾÊýΪ110V£¬ÏÂÁбíÊöÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£® | µçÁ÷±íµÄʾÊýΪ2A | B£® | Ô¡¢¸±ÏßȦÔÑÊý±ÈΪ1£º2 | ||
C£® | µçѹ±íµÄʾÊýΪµçѹµÄ×î´óÖµ | D£® | ÔÏßȦÖн»±äµçѹµÄƵÂÊΪ100Hz |
4£®ÔÚÈçͼËùʾµÄµç·ÖУ¬ÀíÏë±äѹÆ÷µÄÔÑÊý±ÈΪ2£ºl£¬Ëĸö±êÓС°6V£¬6W¡±µÄÍêÈ«ÏàͬµÄµÆÅÝL1¡¢L2¡¢L3¡¢L4£¬°´ÈçͼµÄ·½Ê½½ÓÈëµç·£¬ÆäÖÐL1Ç¡ÄÜÕý³£·¢¹â£®ºöÂÔµÆÅݵç×èËæµçѹµÄ±ä»¯£®µç·Öеĵç±í¾ùΪÀíÏë½»Á÷µç±í£¬ÔòÏÂÁÐÑ¡ÏîÖÐÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£® | L2¡¢L3¡¢L4¾ùÕý³£·¢¹â | B£® | µçÁ÷±íʾÊýΪ0.5A | ||
C£® | m¡¢nÁ½µã¼äËù¼ÓµÄµçѹΪ14V | D£® | Õû¸öµç·ÏûºÄµÄ×ܹ¦ÂÊΪ18 W |
1£®Ò»¸öÓɵç×è¾ùÔȵĵ¼ÏßÈÆÖƳɵıպÏÏßȦ·ÅÔÚÔÈÇ¿´Å³¡ÖУ®ÈçͼËùʾ£®Ïߴų¡·½Ïò³É30¡ã½Ç£¬´Å¸ÐӦǿ¶ÈËæʱ¼ä¾ùÔȱ仯£¬ÓÃÏÂÁвÙ×÷²»ÄÜʹ¸ÐÓ¦µçÁ÷Ôö¼Ó2±¶µÄÓУ¨¡¡¡¡£©
A£® | °ÑÏßȦÔÑÊýÔö¼Ó2±¶ | B£® | °ÑÏßȦÃæ»ýÔö¼Ó2±¶ | ||
C£® | °ÑÏßȦ°ë¾¶Ôö¼Ó2±¶ | D£® | ¸Ä±äÏßȦÓë´Å³¡·½ÏòµÄ¼Ð½Ç |
18£®Ö±½Ç×ø±êϵxOyÖУ¬A¡¢BÁ½µãλÓÚxÖáÉÏ£¬×ø±êÈçͼËùʾ£¬C¡¢DλÓÚyÖáÉÏ£¬C¡¢DÁ½µã¸÷¹Ì¶¨Ò»µÈÁ¿ÕýµãµçºÉ£¬ÁíÒ»µçÁ¿ÎªQµÄ¸ºµãµçºÉÖÃÓÚOµãʱ£¬Bµã´¦µÄµç³¡Ç¿¶ÈÇ¡ºÃΪÁ㣮Èô½«¸Ã¸ºµãµçºÉÒƵ½Aµã£¬ÔòBµã´¦³¡Ç¿µÄ´óСºÍ·½Ïò·Ö±ðΪ£¨¾²µçÁ¦³£Á¿ÎªA£©£¨¡¡¡¡£©
A£® | $\frac{5kQ}{4{l}^{2}}$£¬ÑØxÖáÕý·½Ïò | B£® | $\frac{5kQ}{4{l}^{2}}$£¬ÑØxÖḺ·½Ïò | ||
C£® | $\frac{3kQ}{4{l}^{2}}$£¬ÑØxÖḺ·½Ïò | D£® | $\frac{3kQ}{4{l}^{2}}$£¬ÑØxÖáÕý·½Ïò |
19£®ÓêµÎÓɾ²Ö¹¿ªÊ¼ÊúÖ±ÏÂÂ䣬ÓÉÓÚÊܵ½¿ÕÆø×èÁ¦µÄ×÷Óã¬ÆäÏÂÂäµÄvÒ»tͼÏóÈçͼËùʾ£¬ÉèÓêµÎÏÂÂä¹ý³ÌÖÐÖÊÁ¿±£³Ö²»±ä£®ÔòÏÂÁбíÊöÕýÈ·µÄÊÇ£¨¡¡¡¡£©
A£® | ºÏÍâÁ¦¶ÔÓêµÎÒ»Ö±×öÕý¹¦ | |
B£® | ÓêµÎµÄËùÊܺÏÍâÁ¦µÄ¹¦ÂÊÏÈÔö´óºó¼õС | |
C£® | ÓêµÎÔÚt1ʱ¿ÌÒÔºó»úеÄÜÊغã | |
D£® | ÓêµÎËùÊÜ¿ÕÆø×èÁ¦±£³Ö²»±ä |