Arduino Mini-Drone Lesson Part 2: Controlling Motors with an Arduino and a Transistor
Interactive Video
•
Science, Engineering
•
1st - 6th Grade
•
Practice Problem
•
Hard
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the primary function of a transistor in an Arduino circuit?
To convert AC to DC
To store energy
To increase voltage
To control current flow
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why can't a motor be powered directly from an Arduino pin?
Motors require a different voltage type
Motors require less current than Arduino pins provide
Motors require more current than Arduino pins provide
Motors are incompatible with Arduino pins
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does PWM stand for in the context of Arduino?
Pulse Width Modulation
Power Width Modulation
Pulse Wave Modulation
Power Wave Modulation
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does PWM control the brightness of an LED?
By adjusting the LED's size
By rapidly turning the LED on and off
By changing the LED's resistance
By altering the LED's color
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of transistor is used in the video for motor control?
N Channel MOSFET
PNP Transistor
NPN Transistor
Bipolar Junction Transistor
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which pin of the MOSFET is connected to the Arduino for control?
Drain
Gate
Source
Base
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when the MOSFET is rapidly switched on and off?
The motor stops
The motor overheats
The motor changes direction
The motor spins at a constant speed
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