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Metre bridge: new balance point when the gap resistances are interchanged or changed

This type of question, asked 3 times: 3 May 2023 S2, 10 May 2024 S2, 19 Apr 2026 S2. All 3 questions below, oldest first.

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  1. Question 1

    3 May 2023 S2

    44
    Resistances in the left gap and right gap of a meter bridge are 10 Ω10\,\Omega and 30 Ω30\,\Omega respectively. If the resistances in the two gaps are interchanged, the balance point will shift to right by

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  2. Question 2

    10 May 2024 S2

    9
    In meter bridge experiment, null point was obtained at a distance 'll' from left end. The values of resistances in the left and right gap are doubled and then interchanged. The new position of the null point is

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  3. Question 3

    19 Apr 2026 S2

    131
    The resistances in the two gaps of a balanced meter bridge are 'X' Ω\Omega and '3X' Ω\Omega respectively. If the resistances are interchanged the balance point shifts by

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