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potentiometer

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Q: What name is used for a high power variable resistor?
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What is the name used for a high power variable resistor?

Rheostat


What is the difference between a fixed resistor and a variable resistor?

its the colour of the fixed and the variable we define it by its power and name


What is the function of rheostat in this experiment?

A rheostat is the name given to a variable resistor when it is used to control current. When a variable resistor is used to control voltage, we call it a potentiometer.A rheostat is connected in series with a load, and two of its three terminals are used. A potentiometer is connected in parallel with the supply, and each of its three terminals are used.So the terms 'rheostat' and 'potentiometer' are the names given to describe the function of a variable resistor, not the variable resistor itself.


What is another name for a variable resistor?

If the two of the three terminals on a Potentiometer are used, then it may be used as a variable resistor.AnswerA variable resistor may function as a potentiometer (using three terminals) or as a rheostat (using two terminals). Its correct name is 'variable resistor', while the terms 'potentiometer' or 'rheostat' describe how it is being used.


What is the name of A variable resistor with two terminals?

hi, the center terminal (attached to the wiper contact) tied to one of the ends????


What is the name of a variable resistor with 3 terminals?

It's called a 'variable resistor'. However, it can function as a 'rheostat' (to control current) when two terminals are connected, or as a 'potentiometer' (to control voltage) when three terminals are connected. The terms, 'rheostat' and 'potentiometer' do not describe the device itself, but how it is being used.


What is a variable to the second power called?

A variable raised to the second power would be refered to as "squared." Some math-based programs like Excel let you enter a power with a carot, ie, "(variable name)^2" if you want to calculate the answer.


What is the name for a polynomial equation containing a variable to the second power?

A quadratic equation.


What is the name of the electrical part that is used to change the amount of current that flows to a heater motor?

A resistor resists the flow of current in a circuit but a transistor changes the amount of current through a device. This is called current magnification. Field effect transistors FETs and MOSFETs (metal oxide semiconductor field effect transistor) may also change the amount of current to a load lastly a variable resistor or a potentiometer or a variable resistor can variate the amount of current at your will


Why are resistors called resistors?

Resistors have resisting power(resists the electric power).Due to having the resistive property, the name resistor is given to such electrical device.


What is the name for a graph of variable X and variable Y?

the name for x variable is indepent name for y variable is depent


What is the name of the device that changes the ratio of a current in voltage?

A transformer. it steps up / down voltage, and steps down / up current.