Question

two circular coils A and B are placed close to each other if the current in the coil a is changed will some current be induced in the coil be give reason​

Answer 1

Yes. When current in coil A is changed, the number of magnetic field lines linked with coil A and therefore coil B will change. According to the phenomenon of electromagnetic induction, current will be induced in coil B.

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Answer 2

$\huge{\mathfrak{Answer:-}}$

Two circular coils A and B are placed close to each other. When the current in coil A is changed, the magnetic field associated with it also changes. As a result, the magnetic field around coil B also changes. This change in magnetic field lines around coil B induces an electric current in it. This is called electromagnetic induction.