What is rheostat and resistance boxbox...tomorrow is my exam and I need quality answer to gain full marks in this question hope you understand and help me
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A rheostat and resistance box both act as sources of variable 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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Aaryan102604:
fashion along its length???????????
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