Question

what is variable resistance ​

Answer 1

Answer:

A potentiometer is a three-terminal resistor with a sliding or rotating contact that forms an adjustable voltage divider. If only two terminals are used, one end and the wiper, it acts as a variable resistor or rheostat

Answer 2

Answer:

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Explanation:

A component used to regulate current without changing the voltage source is called variable resistance.

eg: rheostat

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