AB间有稳定电压先后用两只标准电压表测R1两端电压6.3V和6.5V若将两电表同时并联到R1两端则读数将?
AB间有稳定电压.先后用两只标准电压表测R1两端电压6.3V和6.5V.若将两电表同时并联到R1两端则读数将都小于6.3V?都大于6.5V?若未接电压表示R1两端电压?
邮箱:联系方式: