Explore topic-wise MCQs in Arduino.

This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Arduino knowledge and support exam preparation. Choose a topic below to get started.

1.

Does one need to calibrate the LM35 Temperature Sensor Module?

A. Yes
B. No
Answer» C.
Discussion
2.

What is the approximate self heating temperature of the LM35 Temperature Sensor Module?

A. 0.08 C
B. 0.91 C
C. 0.11 C
D. 1.23 C
Answer» B. 0.91 C
Discussion
3.

What is the formula for obtaining the temperature value in degrees centigrade from the LM35 Temperature Sensor while using an ADC?

A. C=ADC/10mV
B. C=ADC/100mV
C. C=ADC/1mV
D. C=ADC/120mV
Answer» B. C=ADC/100mV
Discussion
4.

If the temperature would be 25 C then what would be the corresponding output on the LM35 Temperature Sensor?

A. 250mV
B. 200mV
C. 25V
D. 250V
Answer» B. 200mV
Discussion
5.

What is the minimum temperature that the LM35 Temperature Sensor Module can read?

A. -11 C
B. -55 C
C. -10 C
D. 0 C
Answer» C. -10 C
Discussion
6.

What is the maximum temperature value that the LM35 Temperature Sensor Module can read?

A. 100 C
B. 140 C
C. 150 C
D. 130 C
Answer» D. 130 C
Discussion
7.

What will happen if we supply a voltage of 250V to the Vcc of the LM35 Temperature Sensor Module?

A. Damage is caused
B. Module will shut down
C. Module will not respond for the time the voltage is applied
D. Module will function normally
Answer» B. Module will shut down
Discussion
8.

What is the sensitivity of the LM35 Temperature Sensor Module?

A. 10mV/ C
B. 1mV/ C
C. 23mV/ C
D. 12mV/ C
Answer» B. 1mV/ C
Discussion
9.

How many terminals does the LM35 Temperature Sensor Module have?

A. 1
B. 3
C. 2
D. 4
Answer» C. 2
Discussion
10.

What is the use of the LM35 Temperature Sensor Module?

A. Object Identification
B. To provide 3G Connectivity
C. To measure temperature
D. To measure Wi-Fi strength
Answer» D. To measure Wi-Fi strength
Discussion