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When two charged conductors having diffe...

When two charged conductors having different capacities and different potentials are joined together, show that there is always a loss of energy.

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Two insulated metal spheres of different capacitances charged to different potentials are joined together by a wire so as to share their charges. What happens to the total electrical energy of the system?

Find an expression for loss of electrical energy when two capacitors (or conductors ) maintained at different potential are allowed to share their charges .

Knowledge Check

  • Two spheres of different capacitancies charged to different potentials when joined by wire. The total energy will

    A
    increase
    B
    decrease
    C
    remains same.
    D
    decrease

  • In the following question a statement of assertion (A) is followed by a statement of reason (R ) A : When two conductors charged to different potentials are connected to each other , the negative charge always flows from lower potential to higher potential. R : In the charging process, there is always a flow of electrons only.

    A
    If both Assertion & Reason are true and the reason is the correct explanation of the assertion , then mark (1).
    B
    If both Assertion & Reason are true but the reason is not correct explanation of the assertion then mark (2)
    C
    If Assertion is true statement but Reason is false, then mark (3)
    D
    If both Assertion and Reason are false statements , then mark (4).

  • A number of spherical conductors of different radii have same potential. Then the surface charge density on them.

    A
    is proportional to their radii
    B
    is inversely proportional to their radii
    C
    are equal
    D
    is proportional to square of their radii

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    Electrons in a conductor have no motion in the absence of a potential difference across it.

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    When two charged bodies at different potentials are connected by a conducting wire, then the charge flows from one body to another body

    Two spherical conductors each of capacity C are charged to potetnial V and -V . These are then conneted by means of a fine wire. The loss of energy will be

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