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
34 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
What is the role of the Q-value in reaction kinetics?
21
What is the shortest wavelength in the Lyman series?
30
How can electrons move from the valence band to the conduction band?
26
Who will lead the Indian parliamentary delegation to the 68th Commonwealth Parliamentary Conference ...
(Current Affairs)
34
What is the estimated revenue from the mixed-use real estate project that NBCC will develop on the 2...
(Current Affairs)
15