Question

Derive radiation resistance of short dipole

Answer 1

Answer:

Explanation:

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It nearly equal to 0.49ohms

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Answer 2

Answer:

The radiation resistance of an antenna is defined as the equivalent resistance that would dissipate the same amount of power as is radiated by the antenna. or in simple words. It is a fictitious resistance which when substituted in series with the antenna will consume the same power as is actually radiated.

Explanation:

The radiation resistance is calculated to be 0.49 Ohms. The loss resistance is found to be 4.83 mOhms (milli-Ohms), which is approximatley negligible when compared to the radiation resistance. However, the reactance is -1695 Ohms, so that the input resistance is Z=0.49 - j1695.