24.有一材質為銅製成的線圈,此線圈在25.5℃時,電阻值為YΩ,而當機器運轉使線圈溫度升高到50.5℃時,此時線圈電阻值為14.25Ω,試問Y值為多少?
(A)3Ω
(B)13Ω
(C)17Ω
(D)19Ω
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統計: A(4), B(80), C(13), D(4), E(0) #3406348
統計: A(4), B(80), C(13), D(4), E(0) #3406348