จาก I=nevA
I = (N/V)evA
160 = (8x10^22/2x10^(-6))*1.6x10^(-19)*v*2x10^(-4)
แก้มาได้ v = 1.25*10^(-4) m/s
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จาก I=nevA
I = (N/V)evA
160 = (8x10^22/2x10^(-6))*1.6x10^(-19)*v*2x10^(-4)
แก้มาได้ v = 1.25*10^(-4) m/s
Users viewing this question
are also looking at these questions 😉