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 #90552
Back to Home
View All ELECTRONIC DEVICES Questions
33 Views
Question
Why are vacuum tubes often referred to as valves?
A. Because they regulate voltage
B. Because they allow current to flow only in one direction
C. Because they amplify signals
D. Because they emit light
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
Which of the following is NOT a type of semiconductor listed in the text?
18
What is the total number of valence electrons in a germanium crystal with N atoms?
35
What is the primary reason pentavalent elements are chosen from the same period as silicon or german...
8
What was the primary reason cited for the rise in Yamuna river levels in Delhi on August 15, 2025?
(Current Affairs)
33
Who among the following was conferred the Dadasaheb Phalke Award at the 71st National Film Awards?
(Current Affairs)
28