Which of the following is a type of proximity switch?
A. Optical proximity switch
B. Magnetic proximity switch
C. Capacitive proximity switch
D. All of the above
Answer:D
Which of the following is a type of proximity switch?
A. Optical proximity switch B. Magnetic proximity switch C. Capacitive proximity switch D. All of the above
Explanation: Optical, magnetic, and capacitive proximity switches are all types of proximity switches that detect the presence of an object without physical contact.