Question

Explain working of an optocoupler.​

Answer 1

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An Optocoupler effectively isolates an output and input circuit. ( Image source) This device basically works like a switch, connecting two isolated circuits on your PCB. When current stops flowing through the LED, the photosensitive device also stops conducting and turns off.

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Answer 2

Answer:

An opto-isolator is an electronic component that transfers electrical signals between two isolated circuits by using light. Opto-isolators prevent high voltages from affecting the system receiving the signal

Explanation:

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