Question

why soft iron core used in making galvanometer???

Answer 1

Soft iron core is used in making Galvanometer because the soft iron core attracts the magnetic lines of force and hence the magnetic field increases if we use soft iron core.
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Answer 2

A soft iron core is used in a moving coil galvanometer. The soft iron core attracts the magnetic lines of force and hence the strength of the magnetic field increases if we use soft iron core.

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