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Standard XII

Physics

Electric Field Due to a Line of Charge Not on Its Axis

An aluminium ...

Question

An aluminium ring $B$ faces an
electromagnet $A$ . The current l through A can be altered. Then which of the
following statement is correct?

l

decreases,

A

will repel

B

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Whether

l

increases or decreases,

B

will not experience any force

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l

increass,

A

will repel

B

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l

increases,

A

will attract

B

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Solution

The correct options are
A if $l$ decreases, $A$ will repel $B$
C If $l$ increass, $A$ will repel $B$

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An aluminium ring B faces anelectromagnet A. The current l through A can be altered. Then which of thefollowing statement is correct?

The correct options are A if l decreases, A will repel B C If l increass, A will repel B

An aluminium ring $B$ faces an
electromagnet $A$ . The current l through A can be altered. Then which of the
following statement is correct?

The correct options are
A if $l$ decreases, $A$ will repel $B$
C If $l$ increass, $A$ will repel $B$