MCQ
An aluminium ring $B$ faces an electromagnet $A$. The current $l$ through $A$ can be altered

- AWhether $I$ increases or decreases, $B$ will not experience any force
- BIf $I$ decrease, $A$ will repel $B$
- CIf $I$ increases, $A$ will attract $B$
- ✓If $I$ increases, $A$ will repel $B$
