英语周报高二36期总期17649答案

书面表达One possible version:NOTICEA sports meeting will be held in the playground of our school from next Thursday to FridayAs you know, the pressure of study is very heavy now, especially for those senior 3. So the purpose of the sports meeting is to letevery student get relaxed, as a result of which we students can live happily and heal thilyEveryone is welcome to take part in it. Those who perform excellently at the sports meeting will get prizes. But don' t take theresults so serously because taking part is more important than the result. Good luck to everyone!

6.C【解析】由图可知当t=0.5×10-2s时,感应电动势最大,线圈平面与中性面垂直,A项错误;由图可知当t=1×102s时,感应电动势为0,线圈平面与中性面重合,磁通量最大,磁通量的变化率为0,B项错误;由图可知该交流电的周期T=0.02s,则线圈转动的角速度a=0.02rad/s=100rrad/s,交流发电机的最大感应电动势En=nBSD。所以n=BS=Em=10x10100×100Wb=1×10-3Wb,C项正确,D项错误。

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