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What happens if the galvanometer and cel...

What happens if the galvanometer and cell are interchanged at the balance point of the bridge ? Would the galvanometer show any current ?

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The galvanometer will show no current.
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Knowledge Check

  • If galvanometer and battery are interchanged in balanced Wheatstone bridge, then

    A
    the battery discharges
    B
    the bridge still balances
    C
    the balance point is changed
    D
    the galvanometer is damaged due to flow of high current

  • If in a wheatstone bridge the battery and galvanometer are interchanged the condition for balance

    A
    Is disturbed
    B
    Is not disturbed
    C
    Depend on the internal resistance of the bridge
    D
    Depend on the values of the resistance in the bridge

  • A resistance of 2 Omega is connected across one gap of a metre bridge (the length of the wire is 100cm) and an unknown resistance greater than 2 Omega , is connected across the other gap. When these resistances are interchanged, the balance point shifts by 20 cm neglecting any corrections, the unknown resistance is

    A
    `3 Omega `
    B
    `4 Omega `
    C
    `5Omega `
    D
    `6Omega `

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