Light Sensor on micro:bit

Quiz
•
Computers
•
8th Grade
•
Medium
Audley Walker
Used 4+ times
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a night light according to the text?
To keep monsters away
To create a spooky atmosphere
To provide a small amount of illumination
To increase electricity consumption
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does a night light turn on when the room gets dim enough?
By using a motion sensor
By detecting the amount of light with a light sensor
By making a loud noise
By using a timer
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What type of material is a semiconductor?
Insulator
Conductor
None of the above
Both conductor and insulator
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when n-type and p-type materials are joined together in an LED?
They cancel each other out
They become insulators
They form a depletion region
They create light
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How does an LED detect light?
By emitting light
By producing current when light shines on it
By changing color
By absorbing light
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of the capacitance meter connected to an LED?
To measure the temperature
To measure the sound level
To measure the light level
To measure the humidity
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens to the capacitance value when light is shone on the LED?
It fluctuates
It decreases
It remains the same
It increases
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