magnetic coil
31Magnetic amplifier — The magnetic amplifier (colloquially known as a mag amp ) is an electromagnetic device for amplifying electrical signals. The magnetic amplifier was invented early in the 20th century, and was used as an alternative to vacuum tube amplifiers… …
32magnetic permeability — permeability (def. 2). * * * Relative increase or decrease in the magnetic field inside a material compared with the magnetic field in which the material is located. In empty space the magnetic permeability is 1, because there is no matter to… …
33Magnetic anomaly detector — MAD rear boom on P 3C The SH 60B Seahawk helicopter carries …
34coil — I. noun Etymology: origin unknown Date: 1567 1. turmoil 2. trouble; also everyday cares and worries < when we have shuffled off this mortal coil Shakespeare > II. verb Etymology: French …
35coil — coil1 coilable, adj. coilability, n. /koyl/, v.t. 1. to wind into continuous, regularly spaced rings one above the other: to coil a wire around a pencil. 2. to wind on a flat surface into rings one around the other: He coiled the rope on the deck …
36magnetic bias coil — pamagnetinimo ritė statusas T sritis automatika atitikmenys: angl. magnetic bias coil; magnetization coil vok. Vormagnetisierungsspule, f rus. катушка подмагничивания, f pranc. bobine de polarisation, f …
37Magnetic starter — A magnetic starter is an electromagnetically operated switch which provides a safe method for starting an electric motor with a large load. Magnetic starters also provide overload protection and an automatic cutoff in the event of a power failure …
38magnetic pickup — noun : a phonograph pickup using the stylus vibration to move a piece of metal in a magnetic field and generating an electrical voltage in a coil of wire * * * a phonograph pickup in which the vibrations of the stylus cause variations in or… …
39Magnetic weapon — A magnetic weapon is one that uses magnetic fields to accelerate and propel projectiles, or to focus charged particle beams. There are many hypothesised magnetic weapons, such as the railgun and coilgun which accelerate a magnetic(in the case of… …
40magnetic crack detection — the bar or component to be tested is magnetized by passing a heavy current through it or by making it the core of a coil through which a heavy current is passed. Cracks or inclusions cause the magnetic flux to break the surface forming free… …
