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WorksheetsArduino Car: Physics and Chemistry Quiz
Total questions: 15
Worksheet time: 11mins
What is the primary function of the HC-SR04 ultrasonic sensor in the self-driving car?
Measure speed
Detect obstacles
Control motor speed
Convert voltage
Which component is responsible for adjusting the direction of the ultrasonic sensor?
L293B Integrated Circuit
Servo Motor (SG90)
DC Motor
Voltage Regulator (LM7805)
What is the role of the LM7805 voltage regulator in the Arduino car?
Reduce voltage to a stable 5V for components
Power the DC motors
Increase battery voltage by 5V
Control servo motor movements
Which of the following components is responsible for controlling the movement of the wheels?
Servo Motor
L293B Motor Driver
Ultrasonic Sensor
Breadboard
Why is a 9V battery used in the Arduino car?
It is used only for emergency backup power
It reduces the need for a voltage regulator
It powers the Arduino board and motors
It provides direct power to the ultrasonic sensor
The Arduino UNO serves as:
A wireless communication module for the Arduino UNO self-driving car
A storage device for sensor readings
A power supply for the wheels of the self-driving car
The brain of the car, processing sensor data and controlling components
What is the function of the caster wheel in the self-driving car?
To generate additional power for the motors
To detect obstacles in front of the car
To provide stability and allow smooth turning
To power the front wheels
What physical principle does the ultrasonic sensor use to detect obstacles?
Reflection of light waves
Transmission of electrical signals
Reflection of sound waves
Refraction of radio waves
Which type of energy conversion occurs in the servo motor?
Electrical energy to chemical energy
Electrical energy to mechanical energy
Chemical energy to thermal energy
Mechanical energy to electrical energy
The microcontroller on the Arduino UNO primarily processes information using _____________.
Analog signals only
Digital signals only
Both analog and digital signals
Mechanical signals
The energy stored in the 9V battery is in the form of _____________.
Mechanical energy
Chemical energy
Thermal energy
Nuclear energy
Which of the following best describes the role of DC motors in the Arduino car?
Convert sound energy into electrical energy
Convert thermal energy into electrical energy
Convert electrical energy into mechanical energy
Convert chemical energy into mechanical energy
Why is a breadboard used when constructing the circuit?
To provide a permanent, soldered circuit solution
To easily create and modify temporary circuits without soldering
To increase the overall voltage of the circuit
To convert the battery’s power into mechanical energy
The L293B integrated circuit is used to ____________.
Provide extra voltage for the motors
Control the direction and speed of the DC motors
Stabilize the car’s battery power
Regulate the ultrasonic sensor's signal
How do the wires and jumper cables contribute to the circuit?
They store energy for the motors
They allow electrical signals and power to flow between components
They protect components from overheating
They act as sensors for the detection of obstacle
