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AIIMS AIIMS Solved Paper-2003

  • question_answer
     A capacitor of capacitance \[{{h}^{1/2}}\] is connected in the tank circuit of an oscillator oscillating with a frequency of 1 kHz, If the current flowing in the circuit is 2 mA, the voltage across the capacitor will be:

    A)  0.16 V      

    B)                        0.32 V                  

    C)        79.5 V                                  

    D)  159 V

    Correct Answer: A

    Solution :

    Reactance of capacitor or capacitive reactance is given by          \[{{i}_{1}},\]                              Where f is frequency of the alternating current        Given, \[{{i}_{2}},\] \[{{h}^{1/2}}\]  \[h\] \[{{h}^{3/2}}\] Hence, voltage across the capacitor is               \[{{h}^{2}}\]


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