题目内容
(请给出正确答案)
[主观题]
已知μ=220×sin(ωt+30°)V,其复数表示为____________+j/2)V}。
已知μ=220×sin(ωt+30°)V,其复数表示为____________+j/2)V}。
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A.e=220sin(314t+30°)v
B.e=22#2sin(314t+30°)v
C.e=220sin(314t-30°)v
D.e=22#2sim(314t-30°)v
A.u=220sin(ωt+60°)V
B.u=110sin(ωt60°)V
C.u=110sin(ωt+60°)V
D.u=220sin(ωt+60°)V
A.u=380sin(100t+180°)V
B.u=311sin(200πt+180°)V
C.u=220sin(628t+180°)V
D.u=-311sin100πtV
A.Y/△
B.△/Y
C.△×Y