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.Management Sciences
Category: Semiconductor Diode
A zener diode utilizes ______________ characteristics for its operation?
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A. forward
B. reverse
C. both forward and reverse
D. none of the above
If the doping level of a crystal diode is increased, the breakdown voltage__________________?
A. remains the same
B. is increased
C. is decreased
D. none of the above
Mains a.c. power is converrted into d.c. power for_________________?
A. lighting purposes
B. heaters
C. using in electronic equipment
D. none of the above
The maximum efficiency of a half-wave rectifier is _____________?
A. 40.6 %
B. 81.2 %
C. 50 %
D. 25 %
A zener diode has ______________ breakdown voltage?
A. undefined
B. sharp
C. zero
D. none of the above
A crystal diode utilises …………….. characteristic for rectification
A. reverse
B. forward
C. forward or reverse
D. none of the above
The doping level in a zener diode is______________ that of a crystal diode?
A. the same as
B. less than
C. more than
D. none of the above
A crystal diode is a ________________device?
A. non-linear
B. bilateral
C. linear
D. none of the above
The PIV rating of each diode in a bridge rectifier is ___________that of the equivalent center-tap rectifier?
A. one-half
B. the same as
C. twice
D. four times
There is a need of transformer for__________________?
A. half-wave rectifier
B. centre-tap full-wave rectifier
C. bridge full-wave rectifier
D. none of the above
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