Question

What is an operational amplifier?

Answer 1

⭕ OPERATIONAL AMPLIFIER ⭕

⚫It is an amplifier with high gain and high input impedance(usually with external feedback)used especially in circuits for performing mathematical operations on an input voltage❗

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Answer 2

An operational amplifier is a DC-coupled high-gain electronic voltage amplifier with a differential input and, usually, a single-ended output. In this configuration, an op amp produces an output potential that is typically 100,000 times larger than the potential difference between its input terminals