1 ) Advantage of Zener diode is in . . . . . . . . . . . , Choose single option from these following : - A ) Reverse bias , B ) Forward bias , C ) None , D ) Both ,

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 ,