u=-100sin(6πt+10°)V超前i=5cos(6πt-15°)A的相位差是()
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u=-100sin(6πt+10°)V超前i=5cos(6πt-15°)A的相位差是()
A.25°
B.95°
C.115°
参考答案:
u=-100sin(6πt+10°)V超前i=5cos(6πt-15°)A的相位差是()
A.25°
B.95°
C.115°
参考答案: