What is the description of an optocoupler?

Question 1 / 27070B3c8pcJEz2SgWTfy4fac

Question 1 of 27070B3c8pcJEz2SgWTfy4fac

Question 1 of 27070

What is the description of an optocoupler?

🔍 Key Concepts

• Function of an optocoupler in electronic circuits • Relationship between light emission and light detection • How electrical isolation can be achieved using light

💭 Think About

• Which option describes two components that work together so a signal can cross from one circuit to another using light instead of a direct electrical connection? • Look for the choice that combines a light-producing device with a light-sensitive device rather than unrelated parts. • Ask yourself: which description is commonly used to isolate control circuits from high‑power circuits in equipment like inverters or motor drives?

✅ Before You Answer

• Identify which choice includes a light emitter (such as an LED) and a light sensor (such as a photodiode, phototransistor, or similar). • Eliminate any options that do not clearly involve both emitting and detecting light. • Verify which option fits the idea of optical coupling with electrical isolation between input and output.

Question 1 of 27070

What is the description of an optocoupler?

A resistor and a capacitor.

Two light sources modulated onto a mirrored surface.

An LED and a photosensitive device .

An amplitude modulated beam encoder.