electronics II

opamp is

• IC 741

• IC147

• IC417

• IC147

There are -------pins in opamp

• 4

• 16

• 8

• none

pin no. 2 is -------------

• inverting terminal

• non inverting terminal

• none

pin no 3 is--------

• non inverting terminal

• inverting

• none

output is taken from pin no. ----

• 5

• 6

• 7

• 8

•The amplifier which amplifies the difference between two input signals is called as

• inverting amplifier

• non inverting amplifier

• Differential amplifier.

• none

output of differential amplifier is

• Vo = V1+V2

• Vo = V1-V2

• Vo = V1/V2

• Vo = V1*V2

An ideal operational amplifier has

• infinite output impedance

• zero input impedance

• infinite bandwidth

• All of the above

The common-mode gain is ………..

• very high

• very low

• always unity

• unpredictable

The differential gain is ………

• very high

• very low

• dependent on input voltage

• about 100