What is the purpose of rheostat in resistance experiment

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Reference no: EM132110984

Question: What is the purpose of the rheostat in the resistance and resistivity experiment?

1) to limit the current in the circuit.

2) to overheat.

3) as an aid to adjusting the current in the circuit.

4) it is the resistor whose resistance is to going to be determined.

Reference no: EM132110984

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