【单选题】This is a typical emitter follower. What is the main benefit obtained by use of an emitter follower?
A.
Open for current flow between the operational amplifier and the transistor 2N5194.
B.
Making voltage drop of approximate 0.5V between the operational amplifier and the transistor 2N5194.
C.
Blocking inductive kick from the solenoid.
D.
Blocking for +15V to the emitter of the transistor 2N5194.
【简答题】Nietzsche's followers are not limmited to Germany.
【单选题】Friedrich Wilhelm Nietzsche ’ s writings conquered the world not by logical reasoning but by __________________.
【单选题】Though afflicted by headaches, nausea, and respiratory difficulties, Nietzsche refused to let his ______ problems prevent him from writing.