写出下 列各电流向量所对应的正弦量表达式(角频率为ω)。
1=3+j4A,i1=_______A;2=-j10A,i2=_______A;/ananas/latex/p/2047/ananas/latex/p/2047
1=3+j4A,i1=_______A;2=-j10A,i2=_______A;/ananas/latex/p/2047/ananas/latex/p/2047
举一反三
- 在i=5sin(ωt+36.9°)A对应的电流相量是/ananas/latex/p/509/ananas/latex/p/2047
- 写出下列各电流向量所对应的正弦量表达式(角频率为ω)。1=3+j4A,i1=_______A;2=-j10A,i2=_______A; A: 5sin(t+53.10);10sin(t-900) B: 5sin(t-53.10);10sin(t+900) C: 5sin(t+53.10);10sin(t-900) D: 5sin(t-53.10);10sin(t+900)
- 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
- 写出正弦量的相量表达式。 /ananas/latex/p/956801
- A:平面,B:球面,C:旋转椭球面,D:椭球面,E:圆柱面,F:抛物柱面,G:椭圆柱面,H:旋转抛物面,I:圆锥面,J:椭圆锥面,K:马鞍面。则: (1)是____; (2)是______; (3)是______; (4)是______; (5)是______; (6)是______; (7)是______; (8)是______; (9)是______; (10)是______; (11)是______; (12)是______; (13)是______;/ananas/latex/p/1045101/ananas/latex/p/28097/ananas/latex/p/958152/ananas/latex/p/39419/ananas/latex/p/973515/ananas/latex/p/47030/ananas/latex/p/645788/ananas/latex/p/36944/ananas/latex/p/34552/ananas/latex/p/422334/ananas/latex/p/1045357/ananas/latex/p/36098/ananas/latex/p/596597