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BBC - GCSE Bitesize: Resistors
fixed resistors; variable resistors; special resistors, such as thermistors and ... These are the most common type of resistor. They have ... Resistors can be used to protect other components (such as an LED) from damage by too much current. |
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rheostat | electronic device | Britannica.com
A more-common potentiometer is simply a resistor with two fixed terminals and a third terminal connected to a variable contact arm; it is used for such purposes ... |
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Variable Resistors Overview - RS Components
One of the most common uses for this is in an audio amplifier. ... Potentiometers and rheostats are two of the most common types of variable resistors in use. |
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Variable Resistors (Potentiometers)
Preset variable resistors or potentiometers are also used in circuits that need ... As a result of this arrangement these devices are often called potentiometers or " pots" for short. ... Here the potentiometer consisted of a length of resistance wire with a ... although they are not nearly as common as the logarithmic potenti... |
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The Uses for Variable Resistors - eHow
The Uses for Variable Resistors. A variable resistor, also know as a rheostat orpotentiometer, is used in electronic circuits to fine-tune the resistance in a circuit. |
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Kids.Net.Au - Encyclopedia > Resistor
The common type of resistor is also designed to be independent of temperature and ... Variable resistors are also called potentiometers or rheostats (see below). ... Resistors used in computers and other devices are typically much smaller. |
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What's the difference between a potentiometer and a rheostat...
Finally, why connect the common to a leg at all on a potentiometer, ... devices intended for rheostats versus those intended for use as pots: if a ... |
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What is a Variable Resistor? (with pictures) - wiseGEEK
Rheostats and potentiometers are two common types of these ... A potentiometer is a variable resistor that allows much finer control ... I haven't played with them much but I understand that they're used in things like radios. |
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What is the difference between a rheostat and a variable resistor...
The application of Potentiometer is as input to an Electronics Circuit as reference voltage. ... 1.1k Views. The most common way to vary the resistance in a circuit is to use a rheostat. ... . Rheostat and variable resistor is one and the same thing. |