Which of the following statements is true?
A) Op-amps are high-gain dc amplifiers.
B) Op-amps have extremely high input impedance.
C) Op-amps have extremely low output impedance.
D) All of these statements are true.

Question

Quizplus · Accepted Answer

All the statements about operational amplifiers (op-amps) are true. Op-amps are designed to have a high gain, extremely high input impedance to prevent loading the source, and very low output impedance to efficiently drive the load.

Which of the Following Statements Is True