Two circular coils A and B are facing each other as shown i…

Physics Electromagnetic Induction Faraday's and Lenz's Law MCQ (Single Correct)

Two circular coils A and B are facing each other as shown in figure. The current i through A can be altered

there will be repulsion between A and B if i is increased

there will be attraction between A and B if i is increased

there will be neither attraction nor repulsion when i is changed

attraction or repulsion between A and B depends on the direction of current. It does not depend whether the current is increased or decreased.

Text Solution

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The correct answer is:

The repulsion is to resist the increasing magnetic flux in coil B.

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