Op Amp

Identify the circuit

• Inverting amplifier

• voltage follower

• Differential amplifier

• Non inverting amplifier

Identify the circuit

• Inverting amplifier

• voltage follower

• Differential amplifier

• Non inverting amplifier

The gain equation of inverting amplifier is

• R1/Rf

• Rf/R1

• -Rf/R1

• -R1/Rf

How many pins are there for uA741C IC?

• 4

• 6

• 8

• 7

The op-amp is an amplifier with 2 inputs, an inverting output and a non-inverting input.

• TRUE

• FALSE

A comparator is used to compare the voltage of

• inverting input.

• non- inverting input.

• inverting and non-inverting input.

If voltage on the inverting input is greater than voltage on the non-inverting input, then the output is

• positive.

• negative

Which of the following are NOT the components of a power supply circuit?

• Diode

• Resistor

• Capacitor

• Operational Amplifier

The diagram figure 2 above shows an Op-Amp circuit. What is the Vout when the Vin is 2 Volt. Given Rf = 1500 ohm and Rin = 300 Ohm.

• 10V

• 11V

• 12V

• 14V

Calculate the gain when the Vin is 9Volt. Given Rin=1k and Rf=6.2k.

• 6.2Av

• 7.2Av

• -6.2Av

• -7.2Av