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Magnetic Effects of Electric Current
Two circular coils A and B are placed closed to each other. If the current in the coil A is changed, will some current be induced in the coil B? Give reason.
Yes, some current will be induced in coil B.
Due to change in current in coil A, the magnetic field lines linked with coil A get changed. The circular coil B is placed closed to coil A, so magnetic field around coil B also changes. This change in the magnetic field induces an electric current in coil B.
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