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When the resistance in left and right ga...

When the resistance in left and right gap of a mere bridge are `101Omega` and `1Omega` respectively, the null point is found at 99.5 cm. When the resistances are interchanged the null point is now at 0.7cm. Calcualte the end-corrections of the metre bridge.

Text Solution

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The correct Answer is:
0.29 cm, 0.49 cm
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Knowledge Check

  • The resistances in the left and right gaps of a metre bridge are 10 Omega and 30 Omega respectively. If the bridge is balanced, then the distance of the null point from the centre of the wire is

    A
    20 cm
    B
    30 cm
    C
    40 cm
    D
    25 cm

  • The points in a metre bridge is at 35.6 cm. if the resistances in the gaps are interchanged, the new balance point is

    A
    64.4 cm
    B
    56 cm
    C
    41.2 cm
    D
    56.7 cm

  • In a metre bridge expt, when the resistances in the gaps are interchanged the balance point is increases by 10 cm. The ratio of the resistances is

    A
    `(15)/(5)`
    B
    `(12)/(8)`
    C
    `(11)/(9)`
    D
    `(10)/(9)`

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