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The radiation resistance dissipates same amount of power as it radiated by the antenna.

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The radiation resistance dissipates same amount of power as it radiated by the antenna.

(a) True

(b) False

I got this question in unit test.

The above asked question is from Radiation Resistance in division Antenna Parameters of Antennas

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The correct answer is (a) True

For explanation I would say: The radiation resistance is defined as the equivalent resistance that dissipates equal amount of power that is radiated by the antenna. The power radiated by the radiation resistance is given by  Prad=Irms^2Rrad. Radiation resistance doesn’t depend on direction of power radiated but it depends on the frequency.

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