Have an account?
Skip to Content
Build your own quiz
Suggestions for you
26 questions
Show Answers
See Preview
- 1. Multiple Choice
What is an electrical circuit?
A closed electrical loop with a starting point and an ending point.
An arduino board
A circuit that has leds, potentiometers, positive and negative volts.
A micro-controller with wires.
- 2. Multiple Choice
What is an LED?
a light
a light emitting diode
a part of a circuit
a visual signal used for sending out alerts.
- 3. Multiple Choice
Why is a resistor important?
It isn't important
It increases the power of a circuit
It controls the flow of electricity by lessening it to a certain amount
It is required in a circuit.
- 4. Multiple Choice
We use this resistor with color bands: orange, orange, brown, gold we in an LED circuit. How many Ohms does the resistor have?
500
330
1000
750
- 5. Multiple Choice
Are all jumper wires the same?
Yes
No
Sometimes
They are the same if color is the same.
- 6. Multiple Choice
The (-) column on each side of your breadboard represents the ground and you should connect it to the negative terminal of your power source.
True
False
- 7. Multiple Choice
The (+) column on your breadboard represents the positive charge or power to your circuit if only you connect it to the positive terminal of your power source.
True
False
- 8. Multiple Choice
A potentiometer is also known as a ___________________
knob
button
variable resistor
dial
- 9. Multiple Choice
In the RGB LED, the R stands for ___________
Ready
Red
Read only
Reflection
- 10. Multiple ChoiceAn output is something that happens when a circuit is in use. An example of an output is:Light flashingBuzzer soundingTemperature being givenAll of the answers are correct
- 11. Multiple ChoiceA push button on a circuit is an ___________inputoutputcommandvariable
- 12. Multiple ChoiceThe resistor that changes resistance based on how much light it receives is called a _________ . resistor.photopotentiometerLEDlight
- 13. Multiple Choice
A servo is a type of motor for electronics.
True
False
- 14. Multiple Choice
A flex sensor varies the resistance in a circuit by __________
tapping
turning
bending
reversing
- 15. Multiple Choice
A potentiometer allows a user to physically change its resistance in a circuit.
True
False
- 16. Multiple Choice
The Piezzo buzzer or speaker works by getting a small of __________ the circuit sends to it.
voltage
resistance
light
heat
- 17. Multiple ChoiceWhat component do you need to add to a circuit in order to make the servo motor spin?diodetransistorLEDresistor
- 18. Multiple Choice
What is a relay?
A type of race between LEDS
A switch that turns the light on
An electrically controlled mechanical switch
A wireless switch
- 19. Multiple Choice
Why do you want to use external power source for L298N motor driver?
so it doesn't directly draw too much current from the Arduino
the external power source is easier to connect to
it is a quick way to power the motor driver
- 20. Multiple ChoiceWhat does the LCD stand for?Light Creating DiodeLoad Creates DataLiquid Crystal Display
- 21. Multiple Choice
What does a LCD do?
Displays information and messages
Creates a light
Turns on a circuit
Controls electrical signals
- 22. Multiple Choice
What will the text in the picture do?
Turn LedPin1 on
Create a loop
Turn LedPin2 off
Deliver a pepperoni pizza
Turn LedPin1 off
- 23. Multiple Choice
What will the command in the picture do?
Make the program wait
Make the program wait for 1 second
Make the program wait for 1000 seconds
Stop the program
- 24. Multiple Choice
The symbol in the picture can be used to ......
end a whole program
begin a statement
start a program
end a comment
- 25. Multiple Choice
The code in the image will...
Turn off LED 2.
Assign a variable to LED 2.
Turn on LED 2.
Set up the Arduino so that ledPin2 can be used for output.
- 26. Multiple Choice
What component is missing from this diagram?
A jumper wire
A resistor
A LED
An arduino
- Answer choicesTagsAnswer choicesTags