Chapter 4: Magnetic Effects of Electric Current

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Q
Magnetic Effects of Electric Current

Question:

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.

Answer:

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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