AIIMS AIIMS Solved Paper-2014

  • question_answer
    A charged spherical conductor of radius a and charge g, is surrounded by another charged concentric sphere of radius\[b(b>a)\]. The potential difference between conductors is V. When, the spherical conductor of radius b is discharged completely, then the potential difference between conductor will be

    A) V                                            

    B) \[\frac{{{v}_{a}}}{b}\]

    C) \[\frac{{{q}_{1}}}{4\pi {{\varepsilon }_{0}}a}-\frac{{{q}_{2}}}{4\pi {{\varepsilon }_{0}}b}\]             

    D) None of the above

    Correct Answer: A

    Solution :

                    Since, potential difference between spheres depends upon electric field present in the space between spheres/the electric field in the space between  spheres due to outer sphere is zero. So, potential difference between spheres does not depend upon the charge on outer sphere.


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