Which of the following principles of operation is used by an inductive proximity switch?
A. Magnetic fields
B. Ultrasonic waves
C. Infrared light
D. Changes in capacitance
Answer:A
Which of the following principles of operation is used by an inductive proximity switch?
A. Magnetic fields B. Ultrasonic waves C. Infrared light D. Changes in capacitance
Explanation: An inductive proximity switch operates based on changes in magnetic fields when an object comes into close proximity to the sensor.