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What happens when the radiation resistance of the antenna matches the characteristic impedance of the transmission line?

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What happens when the radiation resistance of the antenna matches the characteristic impedance of the transmission line?

(a) No transmission occurs

(b) No reception occurs

(c) SWR is maximum

(d) SWR is minimum

The question was posed to me by my school teacher while I was bunking the class.

The query is from Types of Antenna in division Antennas and Wave Propagation of Avionics

1 Answer

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Right answer is (d) SWR is minimum

To explain I would say: When the radiation resistance of the antenna matches the characteristic impedance of the transmission line, the SWR is minimum and maximum power reaches the antenna. This allows maximum power to be transmitted.

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