Difference between rheostat and resistance box
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A rheostat and resistance box both act as sources ofvariable resistance in a circuit. In case of a resistance box, the resistance is in the discrete unit of 1 ohm while a rheostat varies the resistance in a continuous fashion along its length.
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Anonymous:
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A resistance box is used to provide known resistance.but a rheostat is used to provide a continuously variable resistance whose value is known
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