1.what is rheostat..
please! explain this ..
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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. ... 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.
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Answer:
variable resistance to rheostat kehte hain
yani resistance to increase ya decrease kr akte ho
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