Radio Amateur Quiz Canadian License

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Question A-007-008-001

What is meant by the radiation resistance of an antenna?

Correct Answer

The equivalent resistance that would dissipate the same amount of power as that radiated from an antenna

Explanation

Radiation resistance (Rr) is a fictitious resistance that, if it carried the same current as found at the antenna feedpoint, would dissipate an amount of power equal to the power radiated by the antenna as electromagnetic waves.

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