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NEET Sample Paper NEET Sample Test Paper-45

  • question_answer
    Capacitor \[{{C}_{1}}\,\,(10\,\,\mu F)\] and \[{{C}_{2}}(2\,\,\,\,\mu F)\] are connected in series across a 3 kV supply as shown. What is charge on capacitor \[{{C}_{1}}\] -

    A) 45000 \[\mu \]C             

    B) 20000 \[\mu \]C

    C) 15000 \[\mu \]C             

    D) 10000 \[\mu \]C

    Correct Answer: B

    Solution :

    \[{{q}_{1}}=\text{ }{{C}_{eq}}V\] \[=\,\,\frac{10\,\,\times \,\,20\times {{10}^{-}}^{6}}{30}\,\times 3\times {{10}^{3}}=2\times {{10}^{-2}}\,\] \[=20000\times {{10}^{-}}^{6}\,20000\,\mu C\]


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