JEE Main & Advanced Physics Communication System / संचार तंत्र Question Bank Communication

  • question_answer
    The velocity factor of a transmission line x. If dielectric constant of the medium is 2.6, the value of x is [AFMC 1995]

    A)            0.26                                          

    B)            0.62

    C)            2.6 

    D)            6.2

    Correct Answer: B

    Solution :

               \[v.f.=\frac{1}{\sqrt{k}}=\frac{1}{\sqrt{2.6}}=0.62\]


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