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Why is the pole pieces of a magnet are c...

Why is the pole pieces of a magnet are concave shaped in a moving coil galvanometer ? What is the role of soft iorn cylinder kept within the coil of the moving coil of the galvanometer ?

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To make the field radial.
To intensify the magnetic field or increase the magnetic field.
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OSWAAL PUBLICATION-MOVING CHARGES & MAGNETISM-TOPIC-3 (Current Carrying Conductor & Galvanometer) (Short Answer Type Questions-I )
  1. Why is the pole pieces of a magnet are concave shaped in a moving coil...

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  2. Explain giving reasons, the basic difference in converting a galvanom...

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