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
CURRENT ELECTRICITY
Question #81170
Back to Home
View All CURRENT ELECTRICITY Questions
17 Views
Question
In the Wheatstone bridge, what is the purpose of varying R₃?
A. To increase the total resistance
B. To decrease the battery voltage
C. To protect the galvanometer
D. To achieve balance and null deflection
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
What is the equivalent internal resistance of three 3 Ω resistors in series?
14
Why is the ice point used as a calibration point for thermometers?
11
What is the dimensional formula for current density?
13
What amount of revenue did the Central Government earn from scrap disposal during the Special Campai...
(Current Affairs)
13
Which country signed its first defence Memorandum of Understanding with India through the JCBL Group...
(Current Affairs)
26