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COMEDK Exam 2020 Solved Paper

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Question : 43

Total: 180

To the potentiometer wire of length L and 10Ω resistance, a battery of emf 2.5V and a resistance R are connected in series. If a potential difference of 1V is balanced across L / 2 length, the value of R in Ω will be

1
1.5
2
2.5

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