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 #90556
Back to Home
View All ELECTRONIC DEVICES Questions
18 Views
Question
What is the typical lifespan of vacuum tubes?
A. Unlimited life
B. Long life
C. Limited life
D. Self-renewing life
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
What happens to the rate of hole recombination in an n-type semiconductor due to doping?
8
What is the height of the image formed by the objective lens when a 100 m tall tower is viewed from ...
8
Why is the ionization energy of donor electrons much lower than the band gap energy?
13
How much legacy waste, in lakh metric tonnes (LMT), has been treated so far at the remediated dumpsi...
(Current Affairs)
16
Who administered the oath to Aarti Sathe as a new judge of the Bombay High Court in August 2025?
(Current Affairs)
15