12th Class Physics Sample Paper Physics Olympiad Sample Paper-1

  • question_answer
    Two copper spheres, A and B, are identical in all respect but A carries a charge of \[-3\mu C\] whereas B is charged to \[+1\mu C\] The two spheres are brought together until they touch and then separated by some distance. Which of the following statements is true concerning the electrostatic force F between the spheres?

    A)  F = 0 as one of the spheres is uncharged

    B)  F = 0 as both the spheres are uncharged

    C)  F is attractive

    D)  F is repulsive.

    Correct Answer: D

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