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若i1=8sin (Ωt+10°) A,i2=6sin (Ωt+30°)A,则其二者合成后()。
- A、幅值等于14,相位角等于40°
- B、i=10sin (Ωt-20°)
- C、合成电流i=i1+i2仍是同频率的正弦交流电流
- D、频率和相位都改变,是非正弦交流电流
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更多 “若i1=8sin (Ωt+10°) A,i2=6sin (Ωt+30°)A,则其二者合成后()。A、幅值等于14,相位角等于40°B、i=10sin (Ωt-20°)C、合成电流i=i1+i2仍是同频率的正弦交流电流D、频率和相位都改变,是非正弦交流电流” 相关考题
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