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Neets Master Glossary - 14192_44
Neets Master Glossary - 14192_46

Neets Module 20-Master Glossary
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1-35 INDUCED CHARGE—An electrostatic charge produced on an object by the electric field that surrounds a nearby object [1]. INDUCED CURRENT—Current caused by the relative motion between a conductor and a magnetic field [1]. INDUCED ELECTROMOTIVE FORCE—The electromotive force induced in a conductor because of the relative motion between the conductor and a magnetic field [1]. INDUCED VOLTAGE—See INDUCED ELECTROMOTIVE FORCE [1]. INDUCTANCE—The property of a circuit that tends to oppose a change in the existing current flow. The symbol for inductance is L [2] [7]. INDUCTANCE BRIDGE—An ac bridge circuit used to measure an unknown value of inductance [16]. INDUCTION—The act or process of producing voltage and current by the relative motion of a magnetic field across a conductor [1]. INDUCTION FIELD—The electromagnetic field that is produced about an antenna when current and voltage are present on the same antenna [10]. INDUCTION LOSSES—The losses that occur when the electromagnetic field around a conductor cuts through nearby metallic objects and induces a current into that object [10]. INDUCTION MOTOR—A simple, rugged, ac motor with desirable characteristics. The rotor is energized by transformer action (induction) from the stator. Induction motors are used more than any other type [5]. INDUCTIVE COUPLING—Coupling of two coils by means of magnetic lines of force. In transformers, coupling applied through magnetic lines of force between the primary and secondary windings [2]. INDUCTIVE REACTANCE—The opposition to the flow of an alternating current caused by the inductance of a circuit, expressed in ohms. Identified by the symbol X L [2] [9]. INERTIA—The physical tendency of a body in motion to remain in motion and a body at rest to remain at rest unless acted upon by an outside force (Newton's First Law of Motion) [15]. INFINITE—(1) Extending indefinitely, endless. (2) Boundless, having no limits. (3) An incalculable number [1]. INFRALOW FREQUENCY—The band of frequencies from 300 Hz to 3,000 Hz [19]. INFRASONIC (SUBSONIC)—Sounds below 15 Hz [10]. IN PHASE—Applied to the condition that exists when two waves of the same frequency pass through their maximum and minimum values of like polarity at the same instant [2]. INPUT—The current, voltage, power, or driving force applied to a circuit or device [13]. INPUT END—The end of a two-wire transmission line that is connected to a source [10]. INPUT IMPEDANCE—Impedance presented to the transmitter by the transmission line and its load [10]. INPUT/OUTPUT—Pertaining to either input or output or both, especially in data processors [13].






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