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rheostat    
n. 可变电阻器

可变电阻器

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  • Definition of Rheostat - BYJUS
    A rheostat is used in a circuit to change the resistance of the circuit so that the current changes We also know that current and resistance are inversely proportional, that is current decreases with an increase in the resistance of the rheostat
  • 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
  • Rheostat - Working, Types, Applications, and Construction
    A rheostat is a type of variable resistor, whose resistance can be changed for varying the amount of electric current flowing through an electrical circuit Commonly available resistors have a fixed value and are used to restrict smaller electric current values
  • What is Rheostat? Types of Rheostats (Full Guide) | Linquip
    Rheostat uses are different but the main use of a rheostat is when controlling the current in a circuit is needed You can use them as a voltage divider, or even as a variable resistive load Rheostats are also used in testing laboratories and electrical workshops for testing purposes
  • Rheostat – Working, Construction, Types Uses - CircuitsToday
    Rheostat is a type of variable resistor, whose resistance can be changed so as to change the amount of current flowing through a circuit This device, was named “Rheostat” using two Greek words “rheos” and “statis” (meaning a current controlling device), by an English Scientist Sir Charles
  • What is a Rheostat? Simple Explanation - ElectronicsHacks
    A rheostat is a device that helps control the flow of electricity in a circuit It is made up of a resistive element, such as a coil of wire, and two terminals The resistance can be varied by adjusting the position of the slider or wiper that connects to the resistive element
  • 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
  • Rheostat - rheostat definition, construction, symbol and applications
    Rheostat is a variable resistor, which is used to control the flow of electric current by manually increasing or decreasing the resistance The English scientist Sir Charles Wheatstone coined the word rheostat, it is derived from the Greek word “rheos” and “-statis” which means a stream controlling device or a current controlling device
  • Rheostat - GeeksforGeeks
    A rheostat is a variable resistor used to manipulate the drift of electric cutting-edge in a circuit It consists of a resistive element and a movable contact, permitting clients to modify the resistance, for this reason regulating the modern-day passing through the circuit
  • Rheostat | Resistor Types | Resistor Guide - EE Power
    A rheostat is a variable resistor which is used to control the current flowing in a circuit Several types of rheostats exist The rotary type is the most commonly used in power control applications Most of the time these rheostats use an open construction, but enclosed types are also available





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