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Definitions from WordNet

Definitions from the Web

Variable Resistor

Description:

A variable resistor, also known as a rheostat, is an electronic component that allows the resistance within an electrical circuit to be adjusted. It is typically used to control the flow of current, voltage, or signals within a circuit. The resistance of a variable resistor can be manually changed by turning a knob or slider.

Sample Sentences:

As a noun:

1. John adjusted the variable resistor to increase the brightness of the LED.
2. The volume control on the amplifier is a variable resistor.
3. I replaced the old variable resistor in my guitar's tone control circuit.

As an adjective:

1. The circuit requires a variable resistor for precise adjustments.
2. She used a variable resistor module in her electronics project.
3. The variable resistor allows for accurate temperature control.

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