Electronics (Mike Jaroch)
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PRECESSION VECTORIn a gyro, a vector representing the angular change of the spin axis when torque is applied. The precession vector represents the axis about which precession occurs [15]. | ||
PRESTANDARD NAVY SYNCHROSSynchros that are designed to meet Navy, rather than servicewide, specifications [15]. | ||
PREVENTIVE MAINTENANCEVisual, mechanical, electrical, and electronic checks that are made to determine whether or not equipment is functioning properly [16]. | ||
PRIMARIESPRIMARIES (OF LIGHT)—The three primary colors of light from which all other colors can be derived. The colors are red, green, and blue [10]. | ||
PRIMARY CELLAn electrochemical cell in which the chemical action eats away one of the electrodes, usually the negative electrode [1]. | ||
PRIMARY LOOPIn a cooling system, the primary source of cooling for the distilled water [18]. | ||
PRIMARY WINDINGThe winding of a transformer connected to the electrical source [2]. | ||
PRIME MOVERThe source of the turning force applied to the rotor of a generator. This may be an electric motor, a gasoline engine, a steam turbine, and so forth [5]. | ||
PRINTED CIRCUIT BOARDA flat, insulating surface upon which printed wiring and miniaturized components are connected in a predetermined design and attached to a common base [7] [14]. | ||
PRISMA triangular-shaped glass that refracts and disperses light waves into component wavelengths [10]. | ||