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|3.14-π|的值为( )

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2.2A,484W,2.2sin314t  2.2A,242W,2.2sin314t  3.11A,484W,3.11sin314t  3.11A,967W,3.11sin314t  
e=220sin(314t 十 300 )  e=2202 sin(314t+300 )  e=220sin(314t—300 )  e=2202 sin(314t—300 )  
角频率为150°  最大值为141V  有效值为141V  
i=10Sin(314t+30°)A  i=10Sin(314t-30°)A  i=10 2Sin(314t-30°)A  i=10 2Sin(50t+30°)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  
u=380vsin314tV  u=537sin(314t+45º)V  u=380sin(314+90º)V  
e=220sin(314t+30°)  e=320sin(314t+30°)  e=220sin(314t-30°)  e=220  
e=220sin(314t+30 °)  e=220 √2sin(314t+30 °)  e=220sin(314t -30°)  e=220 √2sin(314t -30°)  
u=380 2 sin (314t-1200 )V  u=3803 sin(314t-1200 )V  u=380 2 sin (314t+1200 )V  u=3803 sin(314t+1200 )V  
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  
0.01s,314rad/s,3.541A  0.02s,314rad/s,7.1A  0.02s,628rad/s,7.1A  0.01s,628rad/s,3.541A  
u=380 √2sin(314 t-120 °)V  u=380 √3sin(3 14 t-120 °)V  u=380 √2sin(314 t+120 °)V  u=380 √3sin(314 t+120 °)V  
e =220sin(314 t+30°)  e =220sin(314t- 0°)  e =-220sin(314 t+30 °)  e =-220sin(314t-30 °)  
u=220sin(314t+30º)  u=220sin(314t-30º)  u=220√2sin(314t+30º)  u=220√2sin(314t-30º)  
u=380sin314tV  u=537sin(314t+45°)V  u=380sin(314t+90°)V  u=380sin(314t+45°)V  
e=220sin(314t+30°)  e=220sin(314t-30°)  e=-220sin(314t+30°)  e=-220sin(314t-30°)  

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