BEE II Activity

The basic building block of operational amplifier is the

• integrator

• differential amplifier

• differentiator

• none

The voltage gain of an ideal op-amp is

• zero

• 30

• infinity

• cant say

The current drawn by the inverting/non-inverting terminal of an ideal op-amp is

• zero

• infinity

• 3mA

• 30nA

THe common mode rejection ratio of an ideal op-amp is

• zero

• infinity

• 3 dB

• cant say

__________the value of slew rate, better the performance of an op-amp

• Lower

• Higher

• Moderate

• Zero

The voltage gain with feedback of an ideal non-inverting op-amp is

• 1+ (Rf/R1)

• Rf/R1

• 1-(Rf/R1)

• -Rf/R1

The gain of voltage follower circuit is

• unity

• zero

• infinite

• depends on external resistance

In an inverting amplifier, there is _____phase shift between input and output

• 0 deg

• 180 deg

• 90 deg

• 360 deg

An inverting amplifier has R1=1 Kohm, Rf=3 Kohm, Vin=2V, the output voltage is

• 6 V

• -8V

• 8V

• -6 V

The op-amp can amplify

• DC signal only

• AC signal only

• both AC and DC signals

• None of the mentioned