1 ) Advantage of Zener diode is in . . . . . . . . . . . ,
Choose single option from these
following : -
A ) Reverse
bias ,
B ) Forward
bias ,
C ) None ,
D ) Both ,
Correct Aswer : - A ) Reverse bias ,
2 ) Reverse breakdown voltage of
1N4728A ( used in lab ) zener diode is :
-
Choose single option from these
following : -
A ) 3.9 V ,
B ) 3.3 V ,
C ) 4 V ,
D ) 5 V ,
Correct Aswer : - B ) 3.3 V ,
3 )
Below knee current the zener diode . . . . . . . . . . . ,
Choose single option from these
following : -
A ) Will keep regulating voltage ,
B ) Will fail in regulating voltage ,
C ) Will operate in forward bias ,
D ) None ,
Correct Aswer : - B ) Will
fail in regulating voltage ,
4 ) The
max power dissipated by 1N4728A to 1N4749A series zener diodes is . . . . . . .
. . . ,
Choose single option from these
following : -
A ) 1 Watt
,
B ) 2 Watt
,
C ) 3 Watt ,
D ) 4 Watt
,
Correct Aswer : - A
) 1 Watt ,
5 )
Practically , while using zener diode , we must consider the following
to ensure safe operation of diode . . . . . . . . . . . . . . . ,
Choose single option from these
following : -
A ) Power dissipated by diode ,
B ) Current should be above knee current ,
C ) Current should be below zener maximum
current ,
D ) All ,
Correct Aswer : - D ) All ,