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JEE Main & Advanced JEE Main Paper (Held on 7 May 2012)

  • question_answer
    Two circuits (a) and (b) have charged capacitors of capacitance C, 2C and 3C with open switches. Charges on each of the capacitor are as shown in the figures. On closing the switches   JEE Main Online Paper (Held On 07 May 2012)

    A) No charge flows in (a) but charge flows from R to L in (b)

    B)                        Charges flow from L to R in both (a) and (b)

    C)                        Charges flow from R to L in (a) and from L to R in(b)

    D)                        No charge flows in (a) but charge flows from L to R in (b)

    Correct Answer: C

    Solution :

                    Charge (or current) always flows from higher potential to lower potential. Potential\[=\frac{\text{Charge}}{\text{Capacitance}}\]


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