You searched for: “galvanometer
galvanometer
1. An instrument that detects, measures, and determines the direction of a small electric current.
2. An instrument that measures a small electric current by measuring the mechanical motion derived from electromagnetic or electrodynamic forces produced by the current.

Galvanometers can be used directly as ammeters, and are the core element of many ohmmeters and voltmeters.

Word Entries containing the term: “galvanometer
electrostatic galvanometer
A galvanometer or an instrument used to determine the presence, direction, and strength of an electric current in a conductor which is operated by the effects of two electric charges on each other.
This entry is located in the following unit: electro-, electr-, electri- (page 83)