An aluminium ring B faces an electromagnet A. | vedclass

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(C) According to Lenz's Law,the induced current in the ring $B$ will always oppose the change in magnetic flux that produced it.If the current $I$ in

Vedclass · Accepted Answer

If $I$ increases,$A$ will repel $B$.

Vedclass · Answer

(C) According to Lenz's Law,the induced current in the ring $B$ will always oppose the change in magnetic flux that produced it.If the current $I$ in the electromagnet $A$ increases,the magnetic flux through the ring $B$ increases. To oppose this increase,the ring $B$ will develop an induced current such that it creates a magnetic field opposing the field of $A$. This results in a repulsive force between $A$ and $B$.Conversely,if the current $I$ in $A$ decreases,the magnetic flux through $B$ decreases. To oppose this decrease,the ring $B$ will develop an induced current such that it creates a magnetic field in the same direction as $A$,resulting in an attractive force.Therefore,if $I$ increases,$A$ will repel $B$.

An aluminium ring $B$ faces an electromagnet $A$. The current $I$ through $A$ can be altered. Which of the following statements is correct?

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