12th Class Physics Electrostatics & Capacitance Question Bank Case Based (MCQs) - Electric Potential and Capacitance

  • question_answer
    Directions: (1-5)
    Electrostatic Potential and Potential Energy
    Electrostatic potential energy of a system of point charges is defined as the total amount of work done in bringing the different charges to their respective positions from infinitely charge mutual separations. The work is stored in the system of two point charges in the form of electrostatic potential energy U of the system. Electric potential difference between any points A and B in an electric field is the amount of work done in moving a unit positive test charge from A to B along any path against the electrostatic force \[{{V}_{B}}-{{V}_{A}}=\frac{{{W}_{AB}}}{{{q}_{0}}}=\int{\overrightarrow{E}}\,.\,dl\].
    A test charge is moved from lower potential point to a higher potential point. The potential energy of test charge will

    A) remain the same

    B) increase

    C) decrease

    D) become zero

    Correct Answer: C

    Solution :

    decrease


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