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 B? Name the phenomenon.
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Yes some current will also be induced in coil B if current in coil A is changed.
This phenomenon is called electromagnetic induction.
Understanding this phenomena::
According to electromagnetic induction, moving magnetic field lines produce or induce some current. This changing of magnetic field can be either by increasing or decreasing current or by relative motion of coil. This phenomena is discovered by Michael Faraday and was a great contributor in this theory.
This phenomena is greatly or mainly used in electric generators where a moving coil produced or induces electricity.
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