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JEE Main 25 July 2021 Shift 2 Solved Paper

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Question : 6

Total: 90

In the given potentiometer circuit arrangement, the balancing length AC is measured to be 250cm. When the galvanometer connection is shifted from point (1) to point (2) in the given diagram, the balancing length becomes 400cm. The ratio of the emf of two cells,

[25 Jul 2021 Shift 2]

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