Q

Q. Abbreviation or symbol for electric quantity.

Quadrant. The quarter of a circle or of its circumference.

Quadruple Circuit. (See Circuit, Quadruple.)

Quantity. The term is applied to express arrangements of electrical connections for giving the largest possible amount of current.

Quantity, Electro-magnetic. The electro-magnetic current measured by its intensity for a second of time.

Quick-break. A break affected in an electric current by the employment of a quick-break switch.

Quickening. The amalgamating of the surface of a metallic object before electro-plating it with silver. This secures better adhesion of the deposit, and is done by dipping the article into a solution of mercurial salts—one part of mercuric nitrate to one hundred parts of water.