Question

Define Rehostat.And Give it's significance​

Answer 1

Answer:

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A rheostat is a variable resistor which is used to control current. They are able to vary the resistance in a circuit without interruption. ... In contrast to potentiometers, rheostats have to carry a significant current. Therefore they are mostly constructed as wire wound resistors.

Answer 2

Answer:

A rheostat is a variable resistor which is used to control current. ... In contrast to potentiometers, rheostats have to carry a significant current. Therefore they are mostly constructed as wire wound resistors. Resistive wire is wound around an insulating ceramic core and the wiper slides over the windings.

Explanation:

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