MCQMediumJEE Main 2026 · 23 January, Shift 2Potentiometer

Physics Question from JEE Main 2026 · 23 January, Shift 2

To compare the EMF of two cells using a potentiometer, the balancing lengths obtained are 200cm200 \, \text{cm} and 150cm150 \, \text{cm}. The least count of the scale is 1cm1 \, \text{cm}. The percentage error in the ratio of the EMFs is _____.

  • A

    1.651.65

  • B

    1.551.55

  • C

    1.451.45

  • D

    1.751.75

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