4. 示波器波形如下圖,Volts/Div=5V,請問Vm=?
(A)100V
(B)110V
(C)120V
(D)170V
答案:登入後查看
統計: A(1), B(1), C(0), D(3), E(0) #3681597
統計: A(1), B(1), C(0), D(3), E(0) #3681597