ÌâÄ¿ÄÚÈÝ
¡¾ÌâÄ¿¡¿Ñо¿Ð¡³µÔȱäËÙÖ±ÏßÔ˶¯µÄʵÑé×°ÖÃÈçͼ£¨a£©ËùʾÆäÖÐбÃæÇã½Ç¦È¿Éµ÷£¬´òµã¼ÆʱÆ÷µÄ¹¤×÷ƵÂÊΪ50Hz£¬Ö½´øÉϼÆÊýµãµÄ¼ä¾àÈçͼ£¨b£©Ëùʾ£¬ÆäÖÐÿÏàÁÚÁ½µãÖ®¼ä»¹ÓÐ4¸ö¼Ç¼µãδ»³ö£®
¢Å ²¿·ÖʵÑé²½ÖèÈçÏ£º
A£®²âÁ¿Íê±Ï£¬¹Ø±ÕµçÔ´£¬È¡³öÖ½´ø
B£®½ÓͨµçÔ´£¬´ý´òµã¼ÆʱÆ÷¹¤×÷Îȶ¨ºó·Å¿ªÐ¡³µ
C£®½«Ð¡³µÍ£¿¿ÔÚ´òµã¼ÆʱÆ÷¸½½ü£¬Ð¡³µÎ²²¿ÓëÖ½´øÏàÁ¬
D£®°Ñ´òµã¼ÆʱÆ÷¹Ì¶¨ÔÚƽ°åÉÏ£¬ÈÃÖ½´©¹ýÏÞλ¿×
ÉÏÊöʵÑé²½ÖèµÄÕýȷ˳ÐòÊÇ£º__________ £¨ÓÃ×ÖĸÌîд£©£»
¢Æ ͼ£¨b£©Öбê³öµÄÏàÁÚÁ½¼ÆÊýµãµÄʱ¼ä¼ä¸ôT = ________ s£»
¢Ç ¼ÆÊýµã5¶ÔÓ¦µÄ˲ʱËٶȴóС¼ÆËãʽΪv5 = ________ £»ÎªÁ˳ä·ÖÀûÓüǼÊý¾Ý£¬¼õСÎó²î£¬Ð¡³µ¼ÓËٶȴóСµÄ¼ÆËãʽӦΪa =________ £®
£¨4£© Èç¹ûµ±Ê±µçÍøÖн»±äµçÁ÷µÄµçѹ±ä³É210 V£¬¶ø×öʵÑéµÄͬѧ²¢²»ÖªµÀ£¬ÄÇô¼ÓËٶȵIJâÁ¿ÖµÓëʵ¼ÊÖµÏà±È__________£®£¨Ìî¡°±ä´ó¡¢±äС¡¢²»±ä¡±£©
¡¾´ð°¸¡¿DCBA£»0.1£» £» £»²»±ä£»
¡¾½âÎö¡¿
£¨1£©ÏÈÁ¬½ÓʵÑéÆ÷²Ä£¬ºó´©Ö½´ø£¬ÔÙÁ¬½ÓС³µ£¬×îºó´òµã²¢Ñ¡ÔñÖ½´ø½øÐÐÊý¾Ý´¦Àí£¬¹ÊΪDCBA¡£
£¨2£©´òµã¼ÆʱÆ÷µÄ¹¤×÷ƵÂÊΪ50Hz£¬Ã¿¸ô0.02s´òÒ»´Îµç£¬Ã¿ÏàÁÚÁ½µãÖ®¼ä»¹ÓÐ4¸ö¼Ç¼µãδ»³ö£¬¹²5¸ö0.02s£¬¹ÊT=0.1s¡£
£¨3£©ÔȱäËÙÖ±ÏßÔ˶¯ÖУ¬Æ½¾ùËٶȵÈÓÚÖмäʱ¿ÌµÄ˲ʱËٶȣ¬Ôò£¬¸ù¾Ý¹«Ê½¡÷x=aT2£¬ÓУº(S4+S5+S6)(S1+S2+S3)£½9aT2£¬¿ÉµÃ£º¡£
£¨4£©µçÍøµçѹ±ä»¯£¬²¢²»¸Ä±ä´òµãµÄÖÜÆÚ£¬¹Ê²âÁ¿ÖµÓëʵ¼ÊÖµÏà±È²»±ä¡£