Op-Amp Quiz

Which of the following electrical characteristics is not exhibited by an ideal op-amp?

• Infinite voltage gain

• Infinite bandwidth

• Infinite output resistance

• Infinite slew rate

The Op-amp can amplify____________ signals

• a.c. signals only

• d.c. signals only

• both a.c. and d.c. signals

• Neither d.c. nor a.c. signals

What is the output resistance of an ideal op-amp?

• 0

• Infinity

• 1

• 1000

Identify the circuit

• Inverting amplifier

• voltage follower

• Differential amplifier

• Non inverting amplifier

What is the feedback element used in an opamp integrator?

• Inductor

• Resistor

• Capacitor

• Transformer

what is the formula for output (Vout) for Opamp based Summer?

• -(V1-V2)

• V1-V2

• -(V1+V2)

• V1+V2

What is the input resistance of an ideal op-amp?

• 0

• Infinity

• 1

• 1000

The gain equation of inverting amplifier is________

• R1/Rf

• Rf/R1

• -Rf/R1

• -R1/Rf

What is the input element used in an opamp differentiator?

• Capacitor

• Resistor

• Inductor

• Transformer

A Trans impedance amplifier is also called as _________________

• current to Voltage converter

• voltage to voltage converter

• Current to power converter

• Voltage to current converter