Y

Yoke. A piece of soft iron which connects the ends of two portions of a core on which wire coils are wound. It is located at the ends farthest from the poles.

The soft-iron bar placed across the ends of a horseshoe magnet to retain its magnetism.

Z

Zinc-battery. A battery which decomposes zinc in an electrolyte, thereby producing a current.

Zinc Currents. Negative currents.

Zinc-plating. The employment of zinc in electro-plating.

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