What gives the colour of an LED?.

M4 1-108

Quiz
•
English
•
University
•
Hard
Hwxng Vxx
FREE Resource
108 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The active element.
The plastic it is encased in.
The type of gas used inside it.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Why is a diode put in parallel with an LED?.
To protect it from AC.
So it will work only above a certain voltage.
So it will work only below a certain voltage.
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a semiconductor junction diode, electrons are the minority carriers.
within the P region.
within the N region.
in both the N and P regions.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A junction diode.
is similar to a vacuum diode but cannot rectify.
has one p-n junction.
can handle only very small currents.
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
To check the forward resistance of a diode with a multimeter, the lead connected to the positive terminal is put to the.
anode.
cathode.
either anode or cathode.
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A thyristor is commonly used for.
overvolts regulation.
voltage regulation.
rectification.
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The electrodes of an SCR are.
gate, cathode, anode.
source, drain, gate.
anode, cathode, source.
Create a free account and access millions of resources
Similar Resources on Quizizz
104 questions
Destination B1 Unit 6 - LEARNING AND DOING

Quiz
•
University
108 questions
Present Simple, Past Simple, Present Progressive

Quiz
•
6th Grade - University
109 questions
A 2 for students

Quiz
•
University
108 questions
KẾ TOÁN HÀNH CHÍNH SỰ NGHIỆP

Quiz
•
University
106 questions
GLORIA EXAM

Quiz
•
6th Grade - University
105 questions
on tap giua ki 1 tieng anh 6 unit 1,2,3 Sachs

Quiz
•
3rd Grade - University
105 questions
Criterion-Based Assessment Quiz

Quiz
•
12th Grade - University
105 questions
Super từ vựng phiên 2

Quiz
•
University
Popular Resources on Quizizz
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