WorksheetsRobotics Quiz 2
Total questions: 20
Worksheet time: 7mins
What is the primary function of an Arduino board?
To display images
To play music
To control and interface with electronic components
To store large amounts of data
What is the purpose of the setup() function in an Arduino sketch?
To define variables
To initialize variables, pin modes, and start using libraries
To repeat the code indefinitely
To draw graphics on the screen
What is the main use of an ultrasonic sensor in robotics?
To measure temperature
To detect the presence of gas
To measure distance
To detect light
Which type of motor is commonly used for precise control of angular position?
DC motor
Servo motor
Stepper motor
Brushless motor
Which component is used to control the speed and direction of a DC motor in robotics?
LED
Potentiometer
Motor driver
Capacitor
What is the main function of an H-bridge in motor control?
To increase motor speed
To reduce motor noise
To allow reversing of motor direction
To measure motor temperature
What is the purpose of a breadboard in electronics prototyping?
To power the circuit
To create temporary circuits without soldering
To program microcontrollers
To measure electrical current
What is the primary function of a transistor in an electronic circuit?
To store data
To convert AC to DC
To amplify or switch electronic signals
To measure temperature
What are the three main parts of a transistor?
Anode, Cathode, Gate
Base, Collector, Emitter
Source, Drain, Gate
Positive, Negative, Ground
Which of the following is a type of transistor?
Capacitor
Inductor
Bipolar Junction Transistor (BJT)
Resistor
What is the main role of a sensor in a robotic system?
To power the robot
To detect changes in the environment
To control the robot’s movements
To store information
In an NPN transistor, what happens when a positive voltage is applied to the base?
The transistor turns off
The transistor remains in its current state
The transistor turns on, allowing current to flow from collector to emitter
The transistor amplifies the voltage
What is the purpose of the loop() function in an Arduino sketch?
To initialize variables and run once
To define global variables
To run the main code repeatedly
To stop the program
How can you power an Arduino Uno board?
Using a USB cable
Using an external battery
Using a power adapter
All of the above
Which of the following is an example of an input device?
LED
Microphone
Buzzer
Motor
What type of data does an analog sensor provide?
Digital (1 or 0)
Categorical
Continuous range of values
Encoded values
BJT Transistors have how many terminals
1
2
3
4
A device that allow current to flow only in one direction is:
Resistor
Potentiometer
Diode
Capacitor
Which of the following is an example of an actuator?
Microcontroller
DC Motor
Sensor
Drone
Which of the following can be considered as the brain of a robot?
Micromotors
Microchip
Microcontroller
Actuator
