R、L串联的正弦交流电路如图所示,若u R =5 sin(ωt+10°)V,u L =5 sin(ωt+100°)V,则总电压u为( )
A. 5sin(ωt+45°)V
B. 10sin(ωt+55°)V
C. 5sin(ωt+110°)V
D. 10sin(ωt+70°)V
这道题你会答吗?花几分钟告诉大家答案吧!
扫描二维码,关注牛客网
下载牛客APP,随时随地刷题