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    14.素養(4)
A 5
B 2
C 1.414
D 1

功率因數為 1,電路諧振

V = 50V

消耗的平均功率為 25W ⟹ R = 50225 = 100Ω

ω = 1;XC = 1ωC = 110m = 100Ω

Q = RXC0 = 100/100 = 1