首页 试题详情
单选题

已知交流电流解析式i1=60sin(314t+30°)A,i2=60sin(314t+70°)A,i3=60sin(314t-120°)A。则下列答案中正确是

Ai1比i2滞后60°

Bi1比i2超前60°

Ci1与i2同相

Di3比i1滞后150°

正确答案:A (备注:此答案有误)

相似试题

  • 单选题

    已知交流电流解析i160sin(314t+30°)A,i260sin(314t+70°)A,i360sin(314t-120°)A。则下列答案中正确是

    答案解析

热门题库