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प्रश्न
The poles of the permanent magnet used in a moving coil galvanometer are shaped as:
पर्याय
sharp conical points
flat parallel planes
concave cylinders
convex spheres
MCQ
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उत्तर
The permanent magnet has concave cylindrical poles, which together with the soft-iron core provide a strong radial magnetic field in which the plane of the coil remains parallel to the field at every position.
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