Explain why is it necessary to use cylindrical concave pole pieces in construction of moving coil galvanometer?
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31-Jan-2018 · Why are concave pole pieces used in a moving coil galvanometer? The moving coil of a moving coil galvanometer, moves in a magnetic field produced by a permanent magnet. When a current passes through the coil, its sides which are perpendicular to the magnetic field, experience equal and opposite force.
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Explanation:
Why are concave pole pieces used in a moving coil galvanometer? The moving coil of a moving coil galvanometer, moves in a magnetic field produced by a permanent magnet. When a current passes through the coil, its sides which are perpendicular to the magnetic field, experience equal and opposite force.
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