电压u=220(314t+60°）V，下列交流电压的相量式中正确的是。/ananas/latex/p/509/ananas/latex/p/512
举一反三
- 同频率的交流电 压和交流电流的最大值相量式分别为：m=2202220V，m=52220V，则电压与电流的相位关系是（）/ananas/latex/p/2046/ananas/latex/p/509/ananas/latex/p/303210/ananas/latex/p/2047/ananas/latex/p/509/ananas/latex/p/1897
- 线圈电阻为30Ω，电感为127mH,接于电压u=220(314t+20°）V的正...。/ananas/latex/p/509
- 在i=5sin（ωt+36.9°）A对应的电流相量是/ananas/latex/p/509/ananas/latex/p/2047
- 下图中，电压V，V,V,V,V。/ananas/latex/p/221724https://mooc1.chaoxing.com/ananas/latex/p/530112https://mooc1.chaoxing.com/ananas/latex/p/520519https://mooc1.chaoxing.com/ananas/latex/p/1142097https://mooc1.chaoxing.com/ananas/latex/p/1142085https://p.ananas.chaoxing.com/star3/origin/e6966ea20ac0a61450b9979c6123d0eb.png
- 单相桥式整流，输出电压平均值与变压器副边交流电压有效值之间的关系为：=_______ 。/ananas/latex/p/1335/ananas/latex/p/1372/ananas/latex/p/1335/ananas/latex/p/1372