【简答题】肖特基检波器具有10pF的电容、10Ω的串联电阻以及100Ω的二极管电阻,计算它的截止频率.
【单选题】Guten Tag, ich ________ Julia Wang.
【单选题】"Julia", written by Lennon, was named for and _____ to his mother.
【单选题】--- Julia, what were you doing when Anna called you? --- I ________ my housework and was starting to take a bath.
【简答题】自关断器件保护电路中电容、电阻及二极管的作用描述错误的是 A利用电容两端电压不能突变的原理延缓关断时集射电压上升速度 B电阻作用是限制器件导通时电容的放电电流 C二极管的作用是在关断过电阻旁路,以充分利用电容的稳压作用 D电阻的作用是分压,以降低管压降
【单选题】Which of the following underlined words will be stressed when Julia responds to the person who has mistaken her for Julian?
A.
My name is Julia, not Julian. A
B.
My name i s Julia , not Julian. B
C.
My name i s Julia, not Julian. C
D.
My name i s Julia, not Julian. D