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两正弦交流电流,i1=2sin(5πt-π/3)A,i2=3sin(5πt+π/6)A,则i2超前i1π/2

两正弦交流电流,i1=2sin(5πt-π/3)A,i2=3sin(5πt+π/6)A,则i2超前i1π/2
A.正确
B.错误
正确答案:正确