U=141sin(314t-30度) V,i=14.1(sin314t-60度) A,则有功功率P=?A,500W,B,866W,C,1000W,D,1988W今年可能会考的,请高手破解这道题目,谢谢!
A,500W,B,866W,C,1000W,D,1988W
今年可能会考的,请高手破解这道题目,谢谢!
U=141sin(314t-30度) V,i=14.1(sin314t-60度) A,则有功功率P=?A,500W,B,866W,C,1000W,D,1988W今年可能会考的,请高手破解这道题目,谢谢!
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