1 ) Op - Amp uses . . . . . . . . . . . . . . . . . . power supply . Choose single option from these following : - A ) - ive Vcc only , B ) + ive Vcc only , C ) Zero , D ) Dual ± Vcc ,

1 )  Op - Amp uses  . . . . . . . . . . . . . . . . . .  power supply .

Choose single option from these following : -

A )   - ive Vcc only ,

B )   + ive Vcc only ,

C )    Zero ,

D )   Dual ± Vcc ,

Correct Answer : -  D )   Dual ± Vcc ,

 

2 )   Op - amp has voltage gain of  500,000 and output voltage is 01 volts , what will be input voltage .

Choose single option from these following : -

A )  2 m V ,

B )  5 u V ,

C )  2 u V ,

D )  5 m V ,

Correct Answer : -  B )  5 u V ,

 

3 )  Mid band gain of op-amp in dB is . . . . . . . . . . . . . . . . .  ,

Choose single option from these following : -

A )   1 ,

B )   Zero ,

C )   Infinite ,

Correct Answer : -  B )   Zero ,

 

4 )  Gain unit of inverting op - amp Voltage amplifier is . . . . . . . . . . . . . . . . . ,

Choose single option from these following : -

A )  Ohm ,

B )  Volts ,

C )  Unit less ,

D )  Siemen ,

Correct Answer : -  C )  Unit less ,

 

5 )  Output Impedance of ideal Op - amp is . . . . . . . . . . . . . . . . . . ,

Choose single option from these following : -

A )  Very low ,

B )  Zero ,

C )  Infinite ,

D )  Very high ,

Correct Answer : -  B )  Zero ,