Discussion :: Microwave Communication
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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.
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A.
Both A and R are correct and R is correct explanation of A
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B.
Both A and R are correct but R is not correct explanation of A
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C.
A is correct but R is wrong
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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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