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
8 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
If the object distance is 9 cm in a magnifier, what is the magnifying power?
5
What is the lowercase form of Nu?
7
What happens to the electron that diffuses from the n-side to the p-side?
8
Who scored India's lone goal in their 1-4 defeat against China in the Women's Asia Cup Super 4s matc...
(Current Affairs)
4
Who has been awarded the Nobel Prize in Literature in 2025 according to The Daily Pioneer?
(Current Affairs)
2