Term 4-Week 1-Classwork #2

What is the function of a resistor in an electrical circuit?

• Store electrical energy

• Convert electrical energy into light

• Limit current flow

• Act as a switch

Which component stores and releases electrical energy without a fixed polarity?

• Polarized Capacitor

• Non-Polarized Capacitor

• Resistor

• Transistor

What does an LED (Light Emitting Diode) do?

• Converts electrical energy into light

• Stores electrical energy

• Detects sound

• Acts as a resistor

What is the primary function of an LDR (Light Dependent Resistor)?

• Converts sound into electrical signals

• Detects changes in light intensity

• Acts as a switch

• Controls current flow in amplifiers

Which component is used to amplify or switch electronic signals?

• Capacitor

• Resistor

• Transistor

• Buzzer

What does a push button do in an electronic circuit?

• Stores electrical charge

• Amplifies signals

• Allows or interrupts current flow when pressed

• Converts energy into motion

What is the main purpose of a buzzer?

• Emit light

• Convert electrical energy into sound

• Store electrical energy

• Act as a resistor

What is the brain of an Arduino board?

• USB Port

• Microcontroller

• Digital Pins

• Breadboard

What type of pin on an Arduino board reads analog values?

• Digital Pins

• VIN Pin

• Analog Pins

• GND Pin

What is the primary purpose of a breadboard?

• Permanent circuit connections

• Soldering components

• Prototyping and testing circuits

• Acting as a microcontroller