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AMU Medical AMU Solved Paper-1997

  • question_answer
    A circle of radius R is drawn in a uniform electric field E as shown in the figure\[{{V}_{A}},\]\[{{V}_{B}},{{V}_{C}}\]and\[{{V}_{D}}\]are respectively the potentials   of points A, B, C and D at the periphery of the circle

    A)  \[{{V}_{A}}={{V}_{C}};{{V}_{B}}={{V}_{D}}\]

    B)  \[{{V}_{A}}={{V}_{C}};{{V}_{B}}<{{V}_{D}}\]

    C)  \[{{V}_{A}}>{{V}_{C}};{{V}_{B}}={{V}_{D}}\]

    D)  \[{{V}_{A}}<{{V}_{C}};{{V}_{B}}={{V}_{D}}\]

    Correct Answer: B

    Solution :

    : Potential will be minimum at B Potential will be maximum at D Potential at A = potential at C \[\therefore \]\[{{V}_{A}}={{V}_{C}},{{V}_{B}}<{{V}_{D}}\]


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