Is it true that in two coaxial coils, if current is increasing in the primary coil, the galvanometer connected in the secondary coil will not deflect because it will not cause electromagnetic induction?

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True

False

answer is B.

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Detailed Solution

The above statement is False.
In two coaxial coils, if the current is changed in the primary coil, the magnetic field produced by the primary coil that passes through the secondary coil will be changed. Thus, an induced current will occur in the secondary coil. Therefore the galvanometer will be deflected. This phenomenon is called electromagnetic induction.
The correct statement will be that in two coaxial coils, if the current is increasing in the primary coil, the galvanometer connected in the secondary coil will deflect because it will cause electromagnetic induction.

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