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    14.素養(4)
1 某一系統的能量轉換效率為80%,若損失功率是400W,則該系統的輸出功率是多少?
A 3200W
B 2000W
C 1600W
D 500W

Pi=Po+Ploss

η=Po/( Po+ Ploss)

80% = Po/( Po+ 400)

Po =1600W