Content protected from screenshots
GKFix.in
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
About Us
Start Quiz
GKFix.in
Home
Current Affairs
General Knowledge
Categories
Concept Builder Quiz
Start Quiz
GKFix MCQ Question
Test your knowledge and learn something new
Home
ELECTRONIC DEVICES
Question #90582
Back to Home
View All ELECTRONIC DEVICES Questions
20 Views
Question
What is the primary mechanism of electron emission in vacuum tubes?
A. Field emission
B. Secondary emission
C. Photoemission
D. Thermionic emission
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
What is the shape of the reverse bias portion of the V-I characteristic curve before breakdown?
19
What is the condition for total internal reflection in an optical fiber with core index 1.68 and cla...
10
If white light passes through a prism, which color deviates the most?
20
Who is the interim President of Syria who urged Bedouin tribes to commit to a ceasefire amid clashes...
(Current Affairs)
30
What operation did the Directorate of Revenue Intelligence conduct to seize Pakistani-origin goods?
(Current Affairs)
34