Explore topic-wise MCQs in Arduino.

This section includes 8 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 mode does the ESP8266 WiFi Module switch to when fed the sequence 0 1 to its GPIO-0 and GPIO-2 Pins?

A. UART Mode
B. Sleep Mode
C. Active Mode
D. Flash Mode
Answer» B. Sleep Mode
2.

What mode does the ESP8266 WiFi Module switch to when fed the sequence 1 1 to its GPIO-0 and GPIO-2 Pins?

A. UART Mode
B. Sleep Mode
C. Active Mode
D. Flash Mode
Answer» E.
3.

What is the optimum supply current that is required to operate the ESP8266 WiFi Module?

A. 28 A
B. 13 mA
C. 100 mA
D. 1 A
Answer» D. 1 A
4.

What is the maximum source current that is required to operate the ESP8266 WiFi Module?

A. 28 A
B. 12 mA
C. 100 mA
D. 1 A
Answer» C. 100 mA
5.

What will happen if we supply a voltage of 250 kV to the Vcc of the ESP8266 WiFi 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
6.

What is the use of the TX pin?

A. Upload
B. Download
C. Ground
D. Power input
Answer» B. Download
7.

How many pins are present in the ESP8266 WiFi Module?

A. 12
B. 10
C. 8
D. 50
Answer» D. 50
8.

What is the use of the ESP8266 WiFi Module?

A. Monitors Motion
B. Evaluates air pressure
C. Network Provider
D. Switches circuits
Answer» D. Switches circuits