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Potentiometer

In an experim...

Question

In an experiment to measure the internal resistance of a cell by potentiometer, it is found that the balance point is at a distance of 2 m, when the cell is shunted by a $5 Ω$ resistance and it is at a distance of 3 m, when the cell is shunted by a resistance of $10 Ω$ . the internal resistance of the cell is

A

1 Ω

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B

1.5 Ω

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C

10 Ω

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D

15 Ω

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Solution

The correct option is C $10 Ω$
The correct option should be C

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