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    14.素養(4)
1 C1 = 4μF,耐壓600V;C2 = 6μF,耐壓500V;C3 = 12μF,耐壓300V,求三者並聯後耐壓為若干?
A 300V
B 500V
C 600V
D 1400V
並聯電壓以耐壓最小為全體耐壓