Solved

The____________ Emits a High-Frequency Sound Wave and Then Detects the Echo

Question 7

Multiple Choice

The____________ emits a high-frequency sound wave and then detects the echo when it bounces off the object.

A) photodetector
B) ultrasonic detector
C) proximity detector
D) proximity sensor

Related Questions

Q1: Some reflector units have a range of

Q2: Limit switches may be momentary contact or

Q3: Contacts must be selected according to the

Q4: Pancake-type solid-state sensors are designed to detect

Q5: _used in burglar alarm systems commonly use

Q6: Inductive proximity switches operate on the eddy

Q8: _are fast acting and are often used

Q9: Capacitive proximity sensors are designed to detect

Q10: Most microswitches require a movement of approximately