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Discussion :: Microwave Communication

  1. Assertion (A): The velocity of electromagnetic waves on overhead lines and coaxial cables is the same.

    Reason (R): Free space has an intrinsic impedance of 377 ohms.

  2. A.
    Both A and R are correct and R is correct explanation of A
    B.
    Both A and R are correct but R is not correct explanation of A
    C.
    A is correct but R is wrong
    D.
    A is wrong but R is correct

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    Answer : Option D

    Explanation :

    Velocity of em waves on caoxial cables is less than that on overhead lines.


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