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25 December, 22:40

If 28.0 J of work is done by an external force to move a charge from a potential of 8.0 V 8.0 V to a potential of 4.0 V, 4.0 V, what is the change in electric potential energy?

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Answers (1)
  1. 25 December, 22:49
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    Change in electric potential energy is - 28.0 J

    Explanation:

    Electric potential energy is defined as the work is done to move a charge particle from one position to another in space in the presence of other charge particle or electric potential.

    OR

    Electric potential energy is also equal to the change in the configuration of the charge particles.

    Thus,

    Change in electric potential energy = - Work Done

    According to the problem, Work Done is equal to 28 J. Thus,

    Change in electric potential energy = - 28 J
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