载流导体在磁场中将受到力的作用，力的大小与（）成正比。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='27226' and id < 2260026 and id<>'2260026' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='27226' and id > 2260026 and id<>'2260026' order by id asc limit 5