RAJASTHAN ­ PET Rajasthan PET Solved Paper-2004

  • question_answer
    Which of the following curves correctly represents the variation of capacitive reactance\[{{X}_{C}}\]with frequency of

    A)  

    B)  

    C)  

    D)  

    Correct Answer: C

    Solution :

     \[{{X}_{C}}=\frac{1}{\omega C}=\frac{1}{2\pi fC}\] \[{{X}_{C}}\propto \frac{1}{f}\] Therefore a\[{{X}_{C}}-f\]curve represents by isogonic hyperbola.


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