XL=ÏL=314*40/314=40Ω
Xc=1/(ÏC)=1/(314*1/6280)=20Ω
Z=R+j(XL-Xc)=20+j20
å¯å¾Ï=45度ï¼cos45=0.707
I=5Aâ -45
UR=100â -45
UL=200â 45
Uc=100â -135 åéåæ ç¹ä¸ç¹ã
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