Computer Programming MCQs

5739 MCQs  (Page 231 of 574)

In a transistor leakage current mainly depends on__________?
A. Doping of base
B. Size of emitter
C. Rating of transistor
D. Temperature
When a transistor is connected in common emitter mode, it with have__________?
A. Negligible input resistance and high output resistance
B. High input resistance and low output resistance
C. Medium input resistance and high output resistance
D. Low input resistance as well as output resistance
In an op-amp differentiator:________________?
A. The amplitude of output is proportional to rate of change of input
B. The amplitude of output is proportional to input
C. Output occurs when input is finite and constant
D. Polarity of input and output is the same
The early effect in a bipolar junction transistor is caused by_______________?
A. Fast turn-on
B. Fast turn-off
C. Large collector-base reverse bias
D. Large emitter-base forward bias
A source follower using an FET usually has a voltage gain which is___________?
A. Greater than +100
B. Slightly less than unity but positive
C. Exactly unity but negative
D. About -10