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.

• A. The radial lines are E lines and circular lines are H lines
• B. Radial lines are H lines and circular lines are E lines
• C. The directions of E and H lines are wrong
• D. Radial lines may be E and H lines depending an direction of current