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[高考物理冲刺押题] 2014高考物理考前押题 恒定电流和交电电流
2014高考物理考前押题 恒定电流和交电电流 2014高考物理考前押题:恒定电流和交电电流(在每小题给出的四个选项中,第1~6题只有一项符合题目要求,第7~12题有多项符合题目要求.)1.如图4-8-17所示,实验室一台手摇交流发电机,内阻r=1.0 Ω,外接R=9.0Ω的电阻.闭合开关S,当发电机转子以某一转速匀速转动时,产生2014-05-17 编辑:kekenet
Severity: Notice
Message: Memcache::connect(): Server 127.0.0.1 (tcp 11211, udp 0) failed with: Connection refused (111)
Filename: libraries/Cache_file.php
Line Number: 28
Severity: Warning
Message: Memcache::connect(): Can't connect to 127.0.0.1:11211, Connection refused (111)
Filename: libraries/Cache_file.php
Line Number: 28
2014-05-17 编辑:kekenet