Question

in zero crossing detector the op amp is used for.​

Answer 1

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Answer 2

Answer:

A Zero Crossing Detector Circuit is a useful application of Op-amp as Comparator. ... This is how a Zero Crossing Detector detects when the waveform is crossing zero every time. As you can observe that the output waveform is a square wave, so a Zero Crossing Detector is also called a Square wave Generator Circuit

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