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Difference Between Potential Difference ...

Difference Between Potential Difference And Emf

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By definition of `e : e = (v_(2) - v_(1))/(u_(1) - u_(2))`, we have `0.8 = ( V + 5)/(10 - 5) rArr v = 1 m//s`
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(i) Give three differences, between EMF and Potential difference. Calculate the electrode potential of a copper electrode dipped in 0.1 M CuSO_(4) solution at 25^(@)C .

Potential difference between A and C is:

Knowledge Check

  • The potential difference between A and B is .

    A
    9 V
    B
    15 V
    C
    10 V
    D
    20 V

  • A cell of emf E and internal resistance r is connected in series with an external resistance nr. Then, the ratio of the terminal potential difference to emf is :

    A
    `((1)/(n))`
    B
    `(1)/((n+1))`
    C
    `(n)/((n+1))`
    D
    `((n+1))/(n)`

  • In the adjacent figure, the potential difference between A and B is

    A
    0
    B
    5volt
    C
    10volt
    D
    15volt

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    A cell of emf epsilon and internal resistance (r) is connected in series with an external resistance (nr) then the ratio of the terminal potential difference to emf is:

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