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NEET Sample Paper NEET Sample Test Paper-52

  • question_answer
    Two capacitors \[{{C}_{1}}\text{ }and\text{ }{{C}_{2}}\] are connected in a circuit as shown in figure. The potential difference \[{{V}_{A}}-{{V}_{B}}\] is-

    A) 8 V                              

    B) -8 V

    C) 12 V                

    D) -12 V

    Correct Answer: B

    Solution :

    By using KVL A to A \[12+\frac{q}{4}-24+\frac{q}{2}\,\,=\,\,0\] \[\frac{q}{2}+\frac{q}{4}\,\,=\,\,12\] \[q=\frac{12\times 4}{3}\,=\,16\,\mu C\] \[{{V}_{A}}-{{V}_{B}}\,\,=\,\,\frac{-q}{2\mu }\,\,=\,\,-8V\]


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