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JIPMER Jipmer Medical Solved Paper-2014

  • question_answer
    Two capacitors of capacities \[{{C}_{1}}\] and \[{{C}_{2}}\] are charged upto the potential \[{{V}_{1}}\] and \[{{V}_{2}},\] then condition for not flowing the charge between on connected them in parallel is

    A)  \[{{C}_{1}}={{C}_{2}}\] 

    B)         \[{{C}_{1}}{{V}_{1}}={{C}_{2}}{{V}_{2}}\]

    C)  \[{{V}_{1}}={{V}_{2}}\]

    D)         \[\frac{{{C}_{1}}}{{{V}_{1}}}=\frac{{{C}_{2}}}{{{V}_{2}}}\]

    Correct Answer: B

    Solution :

    Equivalent capacitance, when two capacitors are connected parallel \[{{C}_{equ}}=({{C}_{1}}+{{C}_{2}})\] As charge is not flowing between them, net charge on the capacitors are equal. Charge (Q) = C.V for, current flow through\[I=0,\] \[{{C}_{1}}{{V}_{1}}={{C}_{2}}{{V}_{2}}.\]


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