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Metre bridge with 2 ohm and 3 ohm: shunt across 3 ohm that shifts the null point by 22.5 cm

The same question, asked 2 times: 4 May 2023 S1, 11 Apr 2026 S1. Every wording below, oldest first.

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  1. Question 1

    4 May 2023 S1

    9
    In a meter bridge experiment, the balance point is obtained if the gaps are closed by 2 Ω2\,\Omega and 3 Ω3\,\Omega. A shunt of X ΩX\,\Omega is added to 3 Ω3\,\Omega resistor to shift the null point by 22.5 cm. The value of xx is

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  2. Question 2

    11 Apr 2026 S1

    128
    In a metre bridge experiment the balance point is obtained if the gaps are closed by 2 Ω2\,\Omega and 3Ω3\Omega. A shunt of X ΩX\,\Omega is added to 3 Ω3\,\Omega resistor to shift the balancing point by 22.522.5 cm. The value of XX is

    Tap an option to check your answer.