Question

why soft iron core and radial magnetic field are used in moving coil galvanometer​

Answer 1

Step-by-step explanation:

The Uniform Radial Magnetic Field keeps the plane of coil always parallel to direction of the magnetic field. 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. Thus the sensitivity of galvanometer increases.

Answer 2

Answer:

☞ Soft iron is ferromagnetic in nature and hence which helps in strengthening of the magnetic field lines in the core as the number of the lines are increased in the core. This is helpful in increasing the sensitivity of the moving coil galvanometer.

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