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An Aluminium ring B faces an electromagn...

An Aluminium ring `B` faces an electromagnet `A`. The current `I` through `A` can be altered

A

Whether I increases or decreases, B will not experience any force

B

If I decreases, A will repel B

C

If I increases, A will attract B

D

If I increases, A will repel B

Text Solution

Verified by Experts

The correct Answer is:
D

Anticlockwise current induces in B.
As `Iuarr,Buarr`.
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