Shunted Movable Coil Ammeter

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“A much better form of electromagnetic ammeter can be constructed on a principle now extensively employed, which consists in pivoting in the strong field of a permanent magnet a small coil through which a part of the current to be measured is sent.” —Encyclopedia Britannica, 1910


The Encyclopedia Britannica: Volume 1 (New York, NY: The Encyclopedia Britannica Company, 1910)


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