electric(al) polarity
1Electric guitar — Fender Stratocaster String instrument Classification String instrument (plucked, either by fingerpicking, or with a pick.) …
2Electric charge — SI symbol: Q SI quantity dimension: Q SI unit: coulomb other units: e Derivations from other quantities: Q = I · …
3polarity — ► NOUN (pl. polarities) 1) the state of having poles or opposites. 2) the direction of a magnetic or electric field …
4Polarity (physics) — In physics, polarity is a description of an attribute, typically a binary attribute (one with two values), or a vector (a direction). For example:* An electric charge has a polarity of either positive or negative. * A voltage has a polarity, in… …
5electric motor — motor (def. 4). [1885 90] * * * Introduction any of a class of devices that convert electrical energy to mechanical energy, usually by employing electromagnetic phenomena. Most electric motors develop their mechanical torque by the… …
6electric polarity — elektrinis poliškumas statusas T sritis fizika atitikmenys: angl. electric polarity; electrical polarity vok. elektrische Polarität, f rus. электрическая полярность, f pranc. polarité électrique, f …
7Electric motor — For other kinds of motors, see motor (disambiguation). For a railroad electric engine, see electric locomotive. Various electric motors. A 9 volt PP3 transistor battery is in the center foreground for size comparison. An electric motor converts… …
8electric dipole — Pair of equal and opposite electric charges, the centres of which do not coincide. An atom in which the centre of the negative cloud of electrons has been shifted slightly away from the nucleus by an external electric field is an induced electric …
9Electric dipole moment — In physics, the electric dipole moment (or electric dipole for short) is a measure of the polarity of a system of electric charges. In the simple case of two point charges, one with charge {+}q and one with charge { }q, the electric dipole moment …
10electric generator — ▪ instrument Introduction also called dynamo, any machine that converts mechanical energy to electricity for transmission and distribution over power lines to domestic, commercial, and industrial customers. Generators also produce the… …
