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 #90626
Back to Home
View All ELECTRONIC DEVICES Questions
22 Views
Question
Why are vacuum tubes considered one-directional devices?
A. Because they only work with DC
B. Because electrons can only flow from cathode to anode
C. Because they block all current
D. Because they reverse polarity
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
Which of the following best describes the resistivity of semiconductors?
14
What determines the extent of conductivity in a semiconductor?
23
What is the condition of current balance at equilibrium in a p-n junction?
14
Which institute issued a statement regarding action taken against Swami Chaitanyananda Saraswati fol...
(Current Affairs)
15
What recent directive did the Supreme Court issue regarding the disposal of bail applications in Hig...
(Current Affairs)
14