Computer Programming MCQs

5739 MCQs  (Page 108 of 574)

A Triac is a ______________?
A. 2 terminal switch
B. 2 terminal bilateral switch
C. 3 terminal bilateral switch
D. 3 terminal bidirectional switch
A GTO can be turned on by applying___________?
A. Positive gate signal
B. Positive drain signal
C. Positive source signal
D. None of these
SITH is also known as___________?
A. Filled controlled diode
B. Filled controlled rectifier
C. Silicon controlled rectifier
D. None of these
The typical time of rising time lies between______________?
A. 10 – 20 μs
B. 40 – 60 μs
C. 1 – 4 μs
D. 90 – 100 μs
Spread time is defined as the interval during which_____________?
A. Anode voltage drops from 10 % of its initial value to zero
B. Anode current rises from 90 % to its final value
C. Both (a) and (b)
D. Anode current rises from 10 % to 90 % of its final value
A power MOSFET has three terminals called___________?
A. Collector, emitter and gate
B. Drain, source and gate
C. Drain, source and base
D. Collector, emitter and base
Rise time is defined by the interval when____________?
A. Gate current rises from 90 % to 100 % of it final value
B. Anode voltage drops from 90 % to 10 % of its initial value
C. Anode current rises 10 % to 90 % of its final value
D. Both b and c