Explore topic-wise MCQs in Arduino.

This section includes 6 Mcqs, each offering curated multiple-choice questions to sharpen your Arduino knowledge and support exam preparation. Choose a topic below to get started.

1.

What kind of waves does the IR Sensor work on?

A. Infrared
B. Indigo
C. Ultrasonic
D. Infrasonic
Answer» B. Indigo
2.

If 1 means an object is detected and 0 meaning no object is detected, then considering the sensor is stationary, what can be said about the movement of the object if the output by the sensor is 111000?

A. Object is stationary
B. Object is oscillating side by side
C. Object is continuously moving away
D. Object is continuously moving closer
Answer» D. Object is continuously moving closer
3.

What will happen if we supply a voltage of 25V to the Vcc of the IR sensor?

A. Damage is caused
B. Sensor will work fine
C. Sensor will not respond for the time the voltage is applied
D. Sensor will function normally
Answer» B. Sensor will work fine
4.

What mode should we put the Arduino pin to, for object detection to work with the IR Sensor?

A. Analog
B. Digital
C. PCM
D. TDM
Answer» C. PCM
5.

How many pins are present in the IR Sensor?

A. 1
B. 3
C. 2
D. 4
Answer» C. 2
6.

What is the use of the IR Sensor?

A. Object Detection
B. Humidity Detection
C. Image Processing
D. GPS
Answer» B. Humidity Detection