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RHEOSTATS: Tube-Open-Simple Types | Useful in scientific applications

$ 13.10$ 78.50 excl. GST

A variety of Rheostats for use in the science laboratory.

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 RHEOSTATS

A variety of Rheostats for use in the science laboratory.

(Wikipedia excerpt:…A potentiometer is a three-terminal resistor with a sliding or rotating contact that forms an adjustable voltage divider.[1] If only two terminals are used, one end and the wiper, it acts as a variable resistor or rheostat. The measuring instrument called a potentiometer is essentially a voltage divider used for measuring electric potential (voltage); the component is an implementation of the same principle, hence its name.

Potentiometers are commonly used to control electrical devices such as volume controls on audio equipment. Potentiometers operated by a mechanism can be used as position transducers, for example, in a joystick. Potentiometers are rarely used to directly control significant power (more than a watt), since the power dissipated in the potentiometer would be comparable to the power in the controlled load…..” ).
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