已知流过电路元件的电流为时，其元件两端电压，则元件为（    ）。 

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SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68474' and id < 4421082 and id<>'4421082' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku_ where sourceid='68474' and id > 4421082 and id<>'4421082' order by id asc limit 5