3. Sensors
Optical And Magnetic Sensors — Quiz
Test your understanding of optical and magnetic sensors with 5 practice questions.
Practice Questions
Question 1
Which optical sensor detects an object when its light beam is interrupted?
Question 2
In a reflective optical sensor, how is the target detected?
Question 3
Which device commonly uses a slotted disk and a light source to measure rotation?
Question 4
What does a photodiode do when light falls on it?
Question 5
Which sensor uses the Hall effect to detect magnetic fields?