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 ,
