Arduino Potentiometer Quiz

Hey there! Can you tell me what the main job of a potentiometer is in an Arduino setup?

• To create surprise values

• To measure resistance like a pro

• To handle analog input voltage like a boss

• To generate digital output like a champ

Which type of component is a potentiometer?

• Digital sensor

• Analog sensor

• Capacitor

• Transistor

What is the typical resistance range of a potentiometer used with Arduino?

• 1 ohm - 10 ohms

• 100 ohms - 1 kilohm

• 10 kilohms - 1 megohm

• 10 megohms - 1 gigohm

Aditi, Asher, and Arjun are playing a game. How many terminals does a typical potentiometer have?

• 1

• 2

• 3

• 4

Which two terminals of a potentiometer are commonly used for connection in a simple circuit?

• The two outer terminals

• The middle terminal and one of the outer terminals

• The middle terminal and the opposite outer terminal

• Any two terminals

In a voltage divider configuration with a potentiometer, what does the analogRead() function in Arduino return?

• Voltage across the middle and one of the outer terminals

• Resistance value of the potentiometer

• Digital value corresponding to the voltage at the middle terminal

• Current passing through the potentiometer

What is the purpose of connecting a potentiometer to an analog pin on an Arduino board?

• To measure digital values

• To control a servo motor

• To generate random numbers

• To read analog voltage levels

Which Arduino function is used to read the analog voltage from a potentiometer?

• digitalRead()

• analogWrite()

• pinMode()

• analogRead()

When Tisha turns the potentiometer to its maximum resistance, what number do you think will light up on the Arduino screen?

• 0

• 255

• 512

• 1023

What is the analogRead() value when the potentiometer is set to its midpoint (halfway)?

• 0

• 255

• 512

• 1023