LIC Quiz I

What is the gain of inverting amplifier?

• RF/Ri

• -(RF/Ri)

• (1+RF/Ri)

• -(1+RF/Ri)

What is the gain of non-inverting amplifier?

• RF/Ri

• -(RF/Ri)

• (1+ RF/Ri)

• -(1+ RF/Ri)

Find the value of feedback resistor(RF) when the gain is 5 and Ri=2k ohm

• 4 K ohm

• 6 K ohm

• 8 K ohm

• 10 K ohm

Find the value of feedback resistor when the gain is -5 and Ri=2k ohm

• 6 K ohm

• 8 K ohm

• 10 K ohm

• 4 K ohm

Choose the circuit, when RF=Ri in an inverting amplifier

• Emitter follower

• Sign Changer

• Level translator

• Voltage doubler

Identify the circuit, when RF=Ri in a non-inverting inverting amplifier

• sign changer

• Voltage doubler

• Voltage follower

• Level shifter

Tell the application of non inverting amplifier, when RF=0

• Sign changer

• voltage follower

• Voltage doubler

• Level translator

Identify the one, which is not the ideal characteristics of OP AMP

• Input impedance is infinite

• Output impedance is infinite

• Band width is infinite

• Gain is infinite

Identify the one, which is not the DC characteristics of OP AMP

• Input bias current

• Input offset current

• CMRR

• Bias voltage

Tell the final stage of op amp

• Differential amplifier

• Voltage follower

• Push pull amplifier

• Level translator