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Why is AC current used instead of DC in ...

Why is AC current used instead of DC in measuring the electrolytic conductance?

Text Solution

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If we apply DC current through the conductivity cell, it will lead to the electrolysis of the solution taken in the cell. So, AC current is used for this measurement to prevent electrolysis.
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Knowledge Check

  • Assertion (A) : AC current is used in wheatstone bridge arrangement to measure conductivity of ionic solution. Reason (R) : If DC current is used in wheatstone bridge arrangement, it will lead to electrolysis of the solution taken in the cell. So AC current is used to prevent electrolysis.

    A
    Both A and R are correct and R is the correct explanation of A
    B
    Both A and R are wrong
    C
    A is correct but R is wrong
    D
    A is wrong but R is correct

  • Assertion : For measurement of specific resistance of a metallic wire, AC current is used. Reason : This is to prevent electrolysis

    A
    (A) and (R) are true and (R) is the correct explanation of (A)
    B
    Both (A) and (R) are true but (R) does not explain (A)
    C
    (A) is true but (R) is false
    D
    Both (A) and (R) are false

    • Similar Questions

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    Explain about the factors affecting electrolytic conductance.

    ………. Is used to measure electric current.

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