两个电阻串联，=1：2,总电压为60V,则的大小为（）。

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SQL Error: select id,body,options from ***_enewstiku where sourceid='32628' and id < 2594550 and id<>'2594550' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='32628' and id > 2594550 and id<>'2594550' order by id asc limit 5