Wednesday, December 13, 2023
Saturday, July 19, 2025
问题:将两根通有同方向电流的导线相互靠近,导线之间()存在。A、有吸引力B、有排斥力C、无任何力D、有电压...
Sunday, April 27, 2025
问题:压器的基本工作原理是()A、电磁感应B、电流的磁效应C、磁路欧姆定律D、楞次定律...
Sunday, March 16, 2025
问题:一个负载的额定功率大,是否等于说它消耗的能量多?...
Thursday, April 3, 2025
问题:一般高压线路耐张杆上的绝缘子比直线杆上的多()A、一片B、两片C、三片D、四片...
Saturday, July 19, 2025
Saturday, January 6, 2024
问题:用万用表欧姆档测量二极管好坏时,所测得的正反向电阻之间的差值()A、越大越好B、越小越好C、无穷大为好D、为零为好...
Thursday, June 15, 2023
Sunday, April 27, 2025
Sunday, January 5, 2025
问题:在选用电容器时,只要确保其耐压够,即使容量不够,也可满足电路所需。...
Saturday, February 8, 2025
问题:并联电容的补偿方法可分为个别补偿分散补偿和()补偿三种。...
Wednesday, May 21, 2025
Monday, April 7, 2025
问题:复杂直流电路是指有()或两个以上电源所组成的回路。...
Saturday, January 6, 2024
问题:电流总是从高电位流向低电位,这一结论适用于()A、内电路B、外电路C、全电路D、任何电路...
Sunday, March 16, 2025
Tuesday, December 3, 2024
Sunday, January 5, 2025
问题:温控系统能使卫星()和表面温度保持在允许范围之内。...
Monday, April 7, 2025
问题:电流总是从高电位流向低电位,这一结论适用于()A、内电路B、外电路C、全电路D、任何电路...
Sunday, March 16, 2025
Monday, March 11, 2024