29. By what factor is the drift velocity in a conductor changed if the voltage is doubled?(A)1(B)2(C

問題詳情

29. By what factor is the drift velocity in a conductor changed if the voltage is doubled?
(A)1
(B)2
(C) 3
(D) 1/2
(E) 1/4.

答案：B
難度：計算中-1
書單：沒有書單，新增