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
17 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 expression for magnetic potential energy stored in an inductor carrying current I?
14
When a bar magnet's north pole is moved toward a conducting loop, the face of the loop closest to th...
7
What is the physical basis of electromagnetic induction?
19
What major scam has the Delhi Congress alleged, involving over Rs 100 crore in the scrapping of end-...
(Current Affairs)
29
What is the significance of the ICC resetting warnings after 80 overs in Test matches?
(Current Affairs)
51