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
ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENTS
Question #85820
Back to Home
View All ELECTROMAGNETIC INDUCTION AND ALTERNATING CURRENTS Questions
16 Views
Question
A conducting ring is placed on a coil connected to AC. The ring jumps up. Why?
A. Thermal expansion
B. Electrostatic repulsion
C. Induced current in the ring creates a repulsive magnetic field
D. Air pressure lifts it
Check Answer
Share on Twitter
Share on Facebook
Copy Link
Related Questions
What is the instantaneous value of induced emf in a rotating coil of N turns, area A, in magnetic fi...
7
What is the condition for maximum self-induced emf?
22
What is the resistance of the coil in Example 6.3?
18
Who called out England's 'double standards' for attempting to prematurely end the fourth Test at Old...
(Current Affairs)
25
Which South African bowler is under observation for possible inclusion in the second Test despite mi...
(Current Affairs)
15