2. Questions Bank
  3. JEE Main & Advanced
  4. Physics
  5. Alternating Current / प्रत्यावर्ती धारा

JEE Main & Advanced Physics Alternating Current / प्रत्यावर्ती धारा Question Bank Self Evaluation Test - Alternating Current

  • question_answer
    In an ac circuit an alternating voltage e=200 \[\sqrt{2}\,\sin \,100\,t\] volts is connected to a capacitor of capacity \[1\,\mu F\]. The r.m.s. value of the current in the circuit is

    A) 10 mA

    B) 100 mA

    C) 200 mA

    D) 20 mA

    Correct Answer: D

    Solution :

    [d] \[{{V}_{rms}}=\frac{200\sqrt{2}}{\sqrt{2}}=200V\] \[{{I}_{rms}}=\frac{{{V}_{rms}}}{{{X}_{C}}}=\frac{1}{100\times {{10}^{-6}}}=2\times {{10}^{-2}}=20m\,A\]


You need to login to perform this action.
You will be redirected in 3 sec spinner