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2.2A,484W,2.2sin314t 2.2A,242W,2.2sin314t 3.11A,484W,3.11sin314t 3.11A,967W,3.11sin314t
i=10Sin(314t+30°)A i=10Sin(314t-30°)A i=10 2Sin(314t-30°)A i=10 2Sin(50t+30°)A
负载是容抗为2欧的纯电容 负载是容抗为0.5Ω的纯电容 负载是感抗2Ω的纯电容
i(t)=sin(314t+90°)A i(t)= √2 sin(314t+90°)A i(t)=cos(314t+90°)A i(t)= √2 cos(314t+90°)A
i(t)=sin(314t+90°)A i(t)= √2 sin(314t+90°)A i(t)=cos(314t+90°)A i(t)= √2 cos(314t+90°)A
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u=220sin314t u=220sin100t u=220cos314t u=220cos100t