moving-coil galvanometer
11Galvanometer — D Arsonval/Weston galvanometer movement with the moving coil shown in red. A galvanometer is a type of ammeter: an instrument for detecting and measuring electric current. It is an analog electromechanical transducer that produces a rotary… …
12galvanometer — /gal veuh nom i teuhr/, n. an instrument for detecting the existence of small electric currents and determining their strength. [1795 1805; GALVANO + METER] * * * Instrument for measuring small electric currents by deflection of a moving coil. A… …
13galvanometer — An instrument for measuring the strength of an electric current. d Arsonval g. a sensitive g. consisting of a moving coil suspended in a permanent magnetic field between delicate metallic wires or ribbons that serve as both torsion …
14Mirror galvanometer — A mirror galvanometer A mirror galvanometer is a mechanical meter that senses electric current, except that instead of moving a needle, it moves a mirror. The mirror reflects a beam of light, which projects onto a meter, and acts as a long,… …
15ballistic galvanometer — noun a moving coil galvanometer that measures electric charge • Hypernyms: ↑moving coil galvanometer * * * noun : a moving coil galvanometer that indicates the presence of an electric charge by the single impulse imparted to the coil by a sudden… …
16d'arsonval galvanometer — noun Usage: usually D Arsonval : a moving coil galvanometer whose coil is provided with a filament suspension or with pivots and hairspring and rotates about a stationary soft iron core between the poles of a strong permanent magnet * * * /dahr… …
17String galvanometer — The String galvanometer was one of the earliest instruments capable of detecting and recording the very small electrical currents produced by the human heart and provided the first practical Electrocardiogram (ECG). Moving coil galvanometers were …
18Voice coil — A voice coil (consisting of a bobbin, collar and winding) is the coil of wire attached to the apex of the cone of a loudspeaker. It provides the motive force to the cone by the reaction of a magnetic field to the current passing through it. The… …
19Multimeter — A digital multimeter A multimeter or a multitester, also known as a VOM (Volt Ohm meter), is an electronic measuring instrument that combines several measurement functions in one unit. A typical multimeter may include features such as the ability …
20Voltmeter — Demonstration voltmeter from a physics class A voltmeter is an instrument used for measuring electrical potential difference between two points in an electric circuit. Analog voltmeters move a pointer across a scale in proportion to the voltage… …
