What does LED stand for?
LED Quiz

Quiz
•
Life Skills
•
9th Grade
•
Easy
Karina Salazar Chamlati
Used 2+ times
FREE Resource
19 questions
Show all answers
1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
When does an LED emit light?
When the exit voltage is zero
When the power rating is greater than 1
When a current pass through it
When the inductance value is greater then the voltage
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What kind of device is an LED?
Conductor
Semiconductor
Insulator
Superconductor
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is an LED commonly described as due to the way its light generates within the solid semiconductor material?
A gas discharge device
A solid-state device
A mechanical device
A super conductor device
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What are photons?
Semiconductor materials
Subatomic particles with a positive charge
Light particles
Subatomic particles with a neutral charge
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What determines the color of the light emitted by an LED?
The size of the LED
The wavelength of the emitted light
The weight of the LED
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What happens when an electric current is passed through an LED?
It cools down the device
It emits sound
It emits light
It stops functioning
Create a free account and access millions of resources
Similar Resources on Wayground
20 questions
Electrical Circuits Quiz

Quiz
•
9th Grade - University
20 questions
Know Your Credit!

Quiz
•
9th Grade
18 questions
life skills

Quiz
•
KG - Professional Dev...
16 questions
Managing Your Money Vocabulary

Quiz
•
7th - 12th Grade
19 questions
Transformers

Quiz
•
9th Grade - Professio...
20 questions
MLR Section D

Quiz
•
9th - 12th Grade
20 questions
1st Summative Test_TLE9

Quiz
•
9th Grade
16 questions
Ag Mech I- 4.06: Electrical Principles

Quiz
•
9th - 12th Grade
Popular Resources on Wayground
25 questions
Equations of Circles

Quiz
•
10th - 11th Grade
30 questions
Week 5 Memory Builder 1 (Multiplication and Division Facts)

Quiz
•
9th Grade
33 questions
Unit 3 Summative - Summer School: Immune System

Quiz
•
10th Grade
10 questions
Writing and Identifying Ratios Practice

Quiz
•
5th - 6th Grade
36 questions
Prime and Composite Numbers

Quiz
•
5th Grade
14 questions
Exterior and Interior angles of Polygons

Quiz
•
8th Grade
37 questions
Camp Re-cap Week 1 (no regression)

Quiz
•
9th - 12th Grade
46 questions
Biology Semester 1 Review

Quiz
•
10th Grade