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rheostat

XDict

n. 可变电阻器

PyDict

可变电阻器

WordNet (r) 3.0 (2006) (WordNet)

rheostat
n 1: resistor for regulating current [synonym: {rheostat}, {variable
resistor}]

The Collaborative International Dictionary of English v.0.48 (gcide)

Rheostat \Rhe"o*stat\ (r[=e]"[-o]*st[a^]t), n. [Gr. "rei^n
stato`s standing still.] (Elec.)
A contrivance for adjusting or regulating the strength of
electrical currents, operating usually by the intercalation
of resistance which can be varied at will. --Wheatstone.
--{Rhe`o*stat"ic}, a.
[1913 Webster]

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What Is a Rheostat and How Does It Control Current?
A rheostat is an adjustable resistor that controls how much electric current flows through a circuit It works by forcing current through a longer or shorter path of resistive wire, which raises or lowers the resistance and changes the current accordingly
Rheostat - rheostat definition, construction, symbol and applications
By placing the rheostat in the electrical circuit, we can control (increase or decrease) the flow of electric current in the circuit Rheostat reduces the electric current flow to certain level
Amazon. com: Rheostats - Rheostats Variable Resistors: Industrial . . .
Online shopping for Rheostats - Variable Resistors from a great selection at Industrial Scientific Store
Rheostat | Variable Resistor, Potentiometer, Control | Britannica
Rheostat, adjustable resistor used in applications that require the adjustment of current or the varying of resistance in an electric circuit The rheostat can adjust generator characteristics, dim lights, and start or control the speed of motors
What is a Rheostat? Simple Explanation - ElectronicsHacks
A rheostat is a type of resistor that is used to control the flow of electric current It is made up of a resistive element, typically a coil of wire, and a contact point that can be moved along the length of the element
Rheostat - Working, Types, Applications, and Construction
Electrical resistance is a fundamental property, and rheostats are the key to harnessing it This article will explore the history, principles, applications, and different types of rheostats, highlighting their significance in modern technology
A Complete Guide to Rheostats - RS Components
Our rheostats guide explains their uses, how they work, the different types how they differ from potentiometers In this rheostats buyer’s guide, we will explain exactly what they are and how they are used
Rheostats – Mouser
Rheostats are variable resistive devices designed to control electrical current by adjusting resistance within a circuit through a movable contact mechanism They provide smooth and continuous resistance variation, enabling precise regulation of current flow, power levels, and operating characteristics in electrical and electronic systems
Potentiometer - Wikipedia
In motion control systems, potentiometers are frequently used as position sensors to provide analog feedback to a controller, allowing for precise tracking of mechanical movement If only two terminals are used, one end and the wiper, it acts as a variable resistor or rheostat
Rheostat | Resistor Types | Resistor Guide - EE Power
A rheostat is a variable resistor which is used to control current They are able to vary the resistance in a circuit without interruption The construction is very similar to the construction of potentiometers It uses only two connections, even when 3 terminals (as in a potentiometer) are present

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