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Eamcet Physics
2 nd Year : Unit 2.1 ( Current Electricity ) - Current Electricity

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The purpose of commutator in potentiometer experiment is

A. To protect the meter from the damage

B. To control the strength of the current

C. To reverse the current through out the circuit

D. To change the direction of current passing through the galvanometer

E. None of the above

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Correct choice: D

Explanation:

None

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Eamcet Physics 2 nd Year : Unit 2.1 ( Current Electricity ) - Current Electricity

Eamcet Physics
2 nd Year : Unit 2.1 ( Current Electricity ) - Current Electricity