Relative resistance (silver = 1), 3.741

ohms.

Resistance of a wire, 1 foot long, weighing 1 grain, .5766

(a) 1 foot long, 1 millimeter diameter, 33.85

(b) 1 meter long, weighing 1 gram, .4023

(c) 1 meter long, 1 millimeter diameter, .07163

Zinc is principally used in electrical work as the positive plate in

voltaic batteries.

Zincode.

The terminal connecting with the zinc plate, or its equivalent in an

electric circuit; the negative electrode; the kathode. A term now little

used.

Zinc Sender.

An apparatus used in telegraphy for sending a momentary reverse current

into the line after each signal, thus counteracting retardation.

Zone, Peripolar.

In medical electricity, the region surrounding the polar zone, q. v.

Zone, Polar.

In medical electricity, the region surrounding the electrode applied to

the human body.

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