What is a common problem with ultrasonic proximity sensors?
A. They have a limited sensing range
B. They are easily affected by ambient temperature
C. They can be affected by acoustic interference
D. They are unable to detect metallic objects
Answer:C
What is a common problem with ultrasonic proximity sensors?
A. They have a limited sensing range B. They are easily affected by ambient temperature C. They can be affected by acoustic interference D. They are unable to detect metallic objects
Explanation: Ultrasonic proximity sensors can be affected by acoustic interference, which can cause false readings or interfere with the sensor’s ability to detect objects.