variable resistor


Also found in: Thesaurus, Medical, Legal, Financial, Acronyms, Encyclopedia, Wikipedia.

variable resistor

n.
An electrical resistor, such as a potentiometer, whose resistance can be changed.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.variable resistor - resistor for regulating currentvariable resistor - resistor for regulating current  
dimmer - a rheostat that varies the current through an electric light in order to control the level of illumination
resistor, resistance - an electrical device that resists the flow of electrical current
contact arm, wiper arm, wiper - contact consisting of a conducting arm that rotates over a series of fixed contacts and comes to rest on an outlet
References in periodicals archive ?
Set values and input signals can be checked and monitored easily by the front digital display keys but can also be made with an external setting unit like a variable resistor. Features include three types of output modes and base-up setting.
At DC, on the other hand, because the conventional model is expressed as the series combination of the P-N diode model and the RF resistor, [R.sub.rf], the variable resistor, [R.sub.rf], has an effect on the diode's DC characteristic.
A variable resistor, called a potentiometer, is connected across the coil with its adjustable slide wiper connected to ground through a sensitive ammeter.
Variable resistor is used for calibration purposes.

Full browser ?