1 ) Which one shows positive op - Amp comparator circuit : - Choose single option from these following : - A ) a , B ) b , C ) c , D ) d ,

1 )  Which one shows positive op - Amp comparator circuit : -

Choose single option from these following : -

A )  a ,

B )  b ,

C )  c ,

D )  d ,

Correct answers : -   B )  b ,

 

2 )  Which is correct for op - amp comparator output : -

Choose single option from these following : -

A )   V + > V -     ,     Vo = - Vcc  .

B )   If  v + > v -   ,    Vo = + vcc  .

C )   V - > V +   ,    Vo = + Vcc .

Correct answers : -   B )   If  v + > v -   ,    Vo = + vcc  .

 

3 )  Vout is collected from Which pin # of Op – Amp ?

Choose single option from these following : -

A )   4 ,

B )   3 ,

C )   6 ,

D )   7 ,

Correct answers : -   C )   6 ,

 

4 )  Which one represents correct pin configuration of op - AMP LM741 : -

Choose single option from these following : -

A )  a ,

B )  b ,

C )  c ,

D )  d ,

Correct answers : -   C )  c ,

 

5 )  Vref for comparator may be set at what pin of comparator . . . . . . . . . . . . . .  . ,

Choose single option from these following : -

A )   Any pf Pin # 2 or Pin # 3  ,

B )   Pin # 2 only ,

C )   Pin # 3 only ,

D )   None of the given option .

Correct answers : -   A )   Any pf Pin # 2 or Pin # 3  ,