Question Error Report

Thank you for reporting, we will resolve it shortly

Back to Question

Q. An aluminium ring $B$ faces an electromagnet $A$. The current $I$ through $A$ can be altered. ThenPhysics Question Image

Electromagnetic Induction

Solution:

image
If current through $A$ increases, crosses $(X)$ linked with coil $B$ increases, hence anticlockwise current induces in coil $B$. As shown in figure, both the current produce repulsive effect.