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

Options

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

Answer

D

Explanation

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