how do you determine the internal resistance of a cell with the help of potentiometer?
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Answer:
Take out a small resistance (1-5 Ω) from the resistance box R connected in parallel with the cell. Slide the jockey along the potentiometer wire and obtain null point.
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Answer.
Connections of positive terminals are checked.
Current in potentiometer wire is increased.
E > E1 or E >E2.
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:- Connections of positive terminals are checked.
:-Current in potentiometer wire is increased.
:- E > E1 or E >E2.
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