Arduino Course Quiz

What is the main component introduced in this lesson?

• A capacitor

• A photoresistor

• A transistor

• A diode

How does the resistance of a photoresistor change with light?

• Remains constant

• Fluctuates randomly

• Increases with more light

• Decreases with more light

What happens to the LED when the photoresistor is in a dark place?

• The LED blinks rapidly

• The LED glows brightly

• The LED does not glow

• The LED glows with little intensity

What is the purpose of the 220 ohm resistor in the circuit?

• To amplify the signal

• To decrease the voltage

• To increase the current

• To limit the current

What is the role of the jumper wires in the circuit setup?

• To measure voltage

• To act as resistors

• To connect components

• To provide power

Which pin is used to read the light intensity in the Arduino setup?

• Analog pin 0

• Digital pin 7

• Digital pin 13

• Analog pin 5

What is the threshold value set for the LED to light up in the dark?

• 1000

• 500

• 950

• 750

What is the effect of covering the photoresistor on the LED?

• The LED turns off

• The LED blinks

• The LED lights up

• The LED dims

What message is broadcasted when the light intensity is high?

• Off

• Dark

• Bright

• Dim

What happens to the sprite when the light intensity is low?

• The sprite changes to a crying baby

• The sprite disappears

• The sprite remains unchanged

• The sprite changes to a happy baby