Arduino Power Supply Quiz

What voltage does a USB connection provide to power an Arduino?

• 7-12V

• 9V

• 5V

• 3.3V

For portability in Arduino projects, which power supply option uses a 9V battery or AA battery pack connected to the VIN pin?

• USB Connection

• Battery Power

• External Power Supply

• Barrel Jack

What is the voltage range accepted by an external power supply using the barrel jack on an Arduino?

• 5V only

• 3.3V-5V

• 7-12V

• 9V-12V

What is an advantage of USB power for Arduino?

• Provides higher voltage

• Prevents water damage

• Convenient and simple

• Protects from voltage fluctuations

What is a disadvantage of battery power for Arduino projects as mentioned?

• Limited to 5V

• Limited to 3V

• Batteries have limited life

• No communication with computer

For demanding Arduino projects needing higher voltage, which power method is recommended, but requires careful voltage selection?

• USB Power

• Battery Power

• External Power

• VIN Pin

What does a voltage regulator maintain in an Arduino setup?

• Higher voltage levels

• Consistent voltage level

• Battery life extension

• Data transfer speed

How does a voltage regulator protect the Arduino?

• From physical damage

• From voltage fluctuations

• By providing portability

• Through data communication

Why is a voltage regulator considered an essential component for Arduino?

• It enables programming

• It ensures components receive the correct voltage

• It connects to the barrel jack

• It powers mobile projects

What can happen without voltage regulation in an Arduino?

• Improved portability

• Components may malfunction

• Faster data transfer

• Higher voltage output