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What is meant by saying that the potenti...

What is meant by saying that the potential difference between two points is `1 V` ?

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Potential difference between two points in a current-carrying conductor is said to be `1` volt if `1` joule of work is done to carry a charge of `1` coulomb from one point to the other,i.e.,
`1 "volt" = (1 "joule")/(1 "coulomb")` or `1 V = (1 J)/(1 C) = 1 JC^-1`.
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Knowledge Check

  • Potential difference between two points is equal to

    A
    `("Work done")/("charge")`
    B
    Charge `xx` work done
    C
    `("Charge")/("work done")`
    D
    `("(charge)"^(2))/("work done")`

  • The potential difference between point A & B is

    A
    `(20)/(7)V`
    B
    `(40)/(7)V`
    C
    `(10)/(7)V`
    D
    0

  • The potential difference between two points also called

    A
    voltage
    B
    work
    C
    electric power
    D
    rating

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    The instantaneous potential difference between points.

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