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JEE Main 08 Apr 2018 Code A Solved Paper

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Question : 29

Total: 90

In a potentiometer experiment, it is found that no current passes through the galvanometer when the terminals of the cell are connected across 52cm of the potentiometer wire. If the cell is shunted by a resistance of 5Ω , a balance is found when the cell is connected across 40cm of the wire. Find the internal resistance of the cell.

1Ω
1.5Ω
2Ω
2.5Ω

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