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AIIMS AIIMS Solved Paper-2011

  • question_answer
    A gang capacitor is formed by interlocking a number of plates as shown in figure. The distance between the consecutive plates is 0.885 cm and the overlapping area of the plates is \[5\,c{{m}^{2}}\]. The capacity of the unit is

    A)  1.06pF

    B)                                         4pF                       

    C)         6.36 pF                

    D)         12.72 pF

    Correct Answer: B

    Solution :

    The given arrangement of nine plates is equivalent to the parallel combination of 8 capacitors. The capacity of each capacitor, \[\frac{y}{y-1}\] \[330\sqrt{2}ms\] Hence, the capacity of 8 capacitors \[330\sqrt{2}\]


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